10223 + Interview Questions in Chemistry Page 60 InterviewSolution

2951.	Why does ink diffuse faster in water than honey
Answer» Why does ink diffuse faster in water than honey

Discussion

2952.	The maximum capacity of first shell is:
Answer» The maximum capacity of first shell is:

Discussion

2953.	find ratio of mole of hydrogen gas produced by reaction of 1 mole zinc with excess of Nao
Answer» find ratio of mole of hydrogen gas produced by reaction of 1 mole zinc with excess of Nao

Discussion

2954.	A proton is moving towards a Tin foil. Its distance of the closest approach is found to be 30 fm. What will be its distance of the closest approach if it approaches a Lead foil, with the same speed?Given: Atomic number of Tin=50, Atomic number of Lead=82
Answer» A proton is moving towards a Tin foil. Its distance of the closest approach is found to be $30 fm$ . What will be its distance of the closest approach if it approaches a Lead foil, with the same speed? Given: Atomic number of Tin $= 50$ , Atomic number of Lead $= 82$

Discussion

2955.	how to calculate mass of avagadro number of atoms of a compound
Answer» how to calculate mass of avagadro number of atoms of a compound

Discussion

2956.	Three identical bodies(each of mass M) are placed at the vertices of an equilateral triangle of arm L ,keeping the triangle as such by which angular speed the bodies should ve rotated in their gravitational fields so that the triangle moves along circumference of circular orbit
Answer» Three identical bodies(each of mass M) are placed at the vertices of an equilateral triangle of arm L ,keeping the triangle as such by which angular speed the bodies should ve rotated in their gravitational fields so that the triangle moves along circumference of circular orbit

Discussion

2957.	how to predict the position of element in periodic table on the basis ofsuccessive ionisation energy?
Answer» how to predict the position of element in periodic table on the basis ofsuccessive ionisation energy?

Discussion

2958.	Write a short note on electronic view of non-metals.
Answer» Write a short note on electronic view of non-metals.

Discussion

2959.	The discovery of neutrons came very late because
Answer» The discovery of neutrons came very late because

Discussion

2960.	What is the formal charge on nitrogen in Nitrogen pentoxide?
Answer» What is the formal charge on nitrogen in Nitrogen pentoxide?

Discussion

2961.	The process of breaking up of rocks to form soil by the action of the wind, water, ice, climate and plants is called ___.
Answer» The process of breaking up of rocks to form soil by the action of the wind, water, ice, climate and plants is called ___.

Discussion

2962.	I cannot understand how to balance chemical equations.
Answer» I cannot understand how to balance chemical equations.

Discussion

2963.	0.2 mole of salt is added to 2.0 litres of water which is expected to more acidicA) Nahco3B)nh4no3C)Znso4D)Al2(so4)3
Answer» 0.2 mole of salt is added to 2.0 litres of water which is expected to more acidic A) Nahco3 B)nh4no3 C)Znso4 D)Al2(so4)3

Discussion

2964.	Does starch solution show Tyndall effect?
Answer» Does starch solution show Tyndall effect?

Discussion

2965.	Explain by drawing a figure of the electronic configuration.a. Formation of sodium chloride from sodium and chlorine.b. Formation of a magnesium chloride from magnesium and chlorine.
Answer» Explain by drawing a figure of the electronic configuration. a. Formation of sodium chloride from sodium and chlorine. b. Formation of a magnesium chloride from magnesium and chlorine.

Discussion

2966.	A hydrocarbon contain 80% carbon 20% hydrogen its molecular mass is 30 what is its molecular formula
Answer» A hydrocarbon contain 80% carbon 20% hydrogen its molecular mass is 30 what is its molecular formula

Discussion

2967.	Pow much magnesium sulphide can be obtained from 2.00 g of magnesium and 2.00 g aauphur by the reaction, Mg + S Mg$? Which is the limiting agent? Calculate the amourof ane of the reactants which remains unreacted. (Mg 24, S = 32) by easy metho
Answer» Pow much magnesium sulphide can be obtained from 2.00 g of magnesium and 2.00 g aauphur by the reaction, Mg + S Mg$? Which is the limiting agent? Calculate the amourof ane of the reactants which remains unreacted. (Mg 24, S = 32) by easy metho

Discussion

2968.	21. Why oxalic acid is acidic in nature
Answer» 21. Why oxalic acid is acidic in nature

Discussion

2969.	The transition elements have a characteristic electronic configuration which can be represented as
Answer» The transition elements have a characteristic electronic configuration which can be represented as

Discussion

2970.	Name the mixture whose particles are big enough to be seen with naked eye.
Answer» Name the mixture whose particles are big enough to be seen with naked eye.

Discussion

2971.	Question 7Which of the following are chemical changes?(i) Decaying of wood(ii) Burning of wood(iii) Sawing of wood(iv) Hammering of a nail into a piece of wood(a) (i) and (ii)(b) (ii) and (iii)(c) (iii) and (iv)(d) (i) and (iv)
Answer» Question 7 Which of the following are chemical changes? (i) Decaying of wood (ii) Burning of wood (iii) Sawing of wood (iv) Hammering of a nail into a piece of wood (a) (i) and (ii) (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (iv)

Discussion

2972.	Atoms that give away their electrons are called cations and atoms that take electrons are called anions and if we are made up of cells which is a type of matter then are we cations or anions?
Answer» Atoms that give away their electrons are called cations and atoms that take electrons are called anions and if we are made up of cells which is a type of matter then are we cations or anions?

Discussion

2973.	Plaster of Paris should be stored in a moisture-proof container. Explain why.
Answer» Plaster of Paris should be stored in a moisture-proof container. Explain why.

Discussion

2974.	State the temperature of ice point and steam point on the Fahrenheit scale.
Answer» State the temperature of ice point and steam point on the Fahrenheit scale.

Discussion

2975.	In which of the following molecule number ofsinglet bonds are equal to number of non bondedelectron present at central atom :-(1) CIF3(2) XeF6(3) IF5(4) SF4Aren't all options wrong?
Answer» In which of the following molecule number of singlet bonds are equal to number of non bonded electron present at central atom :- (1) CIF3 (2) XeF6 (3) IF5 (4) SF4 Aren't all options wrong?

Discussion

2976.	A burning candle shows both physical and chemical changes. Explain ?
Answer» A burning candle shows both physical and chemical changes. Explain ?

Discussion

2977.	Natural phenomenon like fog, mist or frost are caused due to:
Answer» Natural phenomenon like fog, mist or frost are caused due to:

Discussion

2978.	Carbon compounds having both fluorine and chlorine (CFCs), which are very stable and not degraded by any biological process, are responsible for ___ .
Answer» Carbon compounds having both fluorine and chlorine (CFCs), which are very stable and not degraded by any biological process, are responsible for ___ .

Discussion

2979.	why alkaline metal carbonate and alkalinr earth metal carbonate show difference in their solubility order
Answer» why alkaline metal carbonate and alkalinr earth metal carbonate show difference in their solubility order

Discussion

2980.	Answer the following questions. (a) Why is the rain divine? (b) In this universe, rain performs many functions. What are those? (c) “When I cry the hills laugh; When I humble myself the flowers rejoice; When I bow, all things are elated.” Cry, humbleandbowindicate different intensity with which the rain falls. Explain the three in context. (d) How do you think the rain quenches the thirst of the fields and cures clouds ailment? (e) Think about million little ways in which the rain embraces the trees. Mention a few of them. (f) “….. All can hear, but only The sensitive can understand’ What does the poet want to convey? (g) (i) Notice the imagery built around ‘sigh of the sea’, ‘laughter of the field’ and ‘tears of heaven’. Explain the three expressions in context of rain. (ii) How would you express rain as - an agent of floods? - a source of water for dams? (h) “I am like earthly life …” Why does the poet call rain as earthly life?
Answer» Answer the following questions. (a) Why is the rain divine? (b) In this universe, rain performs many functions. What are those? (c) “When I cry the hills laugh; When I humble myself the flowers rejoice; When I bow, all things are elated.” Cry, humbleandbowindicate different intensity with which the rain falls. Explain the three in context. (d) How do you think the rain quenches the thirst of the fields and cures clouds ailment? (e) Think about million little ways in which the rain embraces the trees. Mention a few of them. (f) “….. All can hear, but only The sensitive can understand’ What does the poet want to convey? (g) (i) Notice the imagery built around ‘sigh of the sea’, ‘laughter of the field’ and ‘tears of heaven’. Explain the three expressions in context of rain. (ii) How would you express rain as - an agent of floods? - a source of water for dams? (h) “I am like earthly life …” Why does the poet call rain as earthly life?

2980.

Answer the following questions. (a) Why is the rain divine? (b) In this universe, rain performs many functions. What are those? (c) “When I cry the hills laugh; When I humble myself the flowers rejoice; When I bow, all things are elated.” Cry, humbleandbowindicate different intensity with which the rain falls. Explain the three in context. (d) How do you think the rain quenches the thirst of the fields and cures clouds ailment? (e) Think about million little ways in which the rain embraces the trees. Mention a few of them. (f) “….. All can hear, but only The sensitive can understand’ What does the poet want to convey? (g) (i) Notice the imagery built around ‘sigh of the sea’, ‘laughter of the field’ and ‘tears of heaven’. Explain the three expressions in context of rain. (ii) How would you express rain as - an agent of floods? - a source of water for dams? (h) “I am like earthly life …” Why does the poet call rain as earthly life?

Answer»

Answer
the following questions.

(a) Why is the rain
divine?

(b) In this universe,
rain performs many functions. What are those?

(c)
“When I cry the hills laugh;

When I humble myself the flowers rejoice;

When I bow, all things are elated.”

Cry,
humbleandbowindicate different intensity with which
the rain falls. Explain the three in context.

(d) How do you think the rain quenches the thirst of the fields and
cures clouds ailment?

(e) Think about million little ways in which the rain embraces the
trees. Mention a few of them.

(f) “….. All
can hear, but only

The sensitive can understand’

What does the poet want to convey?

(g) (i) Notice the imagery built around ‘sigh
of the sea’, ‘laughter
of the field’
and ‘tears of heaven’.
Explain the three expressions in context of rain.

(ii) How would you express rain as

- an agent of floods?

- a source of water
for dams?

(h)
“I am like earthly life
…”

Why
does the poet call rain as earthly life?

Discussion

2981.	Question 3The chemical symbol for nitrogen gas is(a) Ni(b) N2(c) N+(d) N
Answer» Question 3 The chemical symbol for nitrogen gas is (a) Ni (b) $N_{2}$ (c) $N^{+}$ (d) N

Discussion

2982.	Define roasting.
Answer» Define roasting.

Discussion

2983.	Strength of hydrogen peroxide is 15.18 g/L then it is equal to (a) 1 volume (b) 10 volume (c) 5 volume (d) 7 volume
Answer» Strength of hydrogen peroxide is 15.18 g/L then it is equal to (a) 1 volume (b) 10 volume (c) 5 volume (d) 7 volume

Discussion

2984.	What is formula for mohr's salt
Answer» What is formula for mohr's salt

Discussion

2985.	What criterion is followed for the selection of the stationary phase in chromatography?
Answer» What criterion is followed for the selection of the stationary phase in chromatography?

Discussion

2986.	13. If photon having wavelength lamda =6.2nm was allowed to strike a metal plate having work function 50ev ,then calculate wavelength associated with emitted electrons .Options:A)1 into 10-10m B)2 into 10 to the power -10m. C)3 into 10 to the power -18 D)4 into 10 to the power -14
Answer» 13. If photon having wavelength lamda =6.2nm was allowed to strike a metal plate having work function 50ev ,then calculate wavelength associated with emitted electrons .Options:A)1 into 10-10m B)2 into 10 to the power -10m. C)3 into 10 to the power -18 D)4 into 10 to the power -14

Discussion

2987.	Explain all the important points of structure of an atom and also some extra questioms
Answer» Explain all the important points of structure of an atom and also some extra questioms

Discussion

2988.	What are the products formed when dilute hydrochloric acid reacts with reactive metals?
Answer» What are the products formed when dilute hydrochloric acid reacts with reactive metals?

Discussion

2989.	formula mass is applicable for 1)H2o 2)NaOH 3)Nac
Answer» formula mass is applicable for 1)H2o 2)NaOH 3)Nac

Discussion

2990.	What is the chemical formula of these acids ? Acetic acid Citric acid Tartaric acid Oxalic acid Lactic acid Methanoic acid Oleic acid Malic acid Stearic acid Butyric acid Uric acid Ascorbic acid Tannic acid Folic acid
Answer» What is the chemical formula of these acids ? Acetic acid Citric acid Tartaric acid Oxalic acid Lactic acid Methanoic acid Oleic acid Malic acid Stearic acid Butyric acid Uric acid Ascorbic acid Tannic acid Folic acid

Discussion

2991.	Calculate the number of moles in 392 grams of sulphuric acid.
Answer» Calculate the number of moles in $392$ grams of sulphuric acid.

Discussion

2992.	What are the organic and inorganic substances in URINE separately with respective amounts ?
Answer» What are the organic and inorganic substances in URINE separately with respective amounts ?

Discussion

2993.	N factor of h2o2 decomposition by using one Mole of h2o2.And also is nfactor change with changing mole??
Answer» N factor of h2o2 decomposition by using one Mole of h2o2. And also is nfactor change with changing mole??

Discussion

2994.	Name the mixture in which the components can be identified at a glance of the mixture.
Answer» Name the mixture in which the components can be identified at a glance of the mixture.

Discussion

2995.	In 1953, Hooper was a favoured young man. Explain.
Answer» In 1953, Hooper was a favoured young man. Explain.

Discussion

2996.	Calculate the molecular masses of the following: (a) Hydrogen, H2 (b) Oxygen, O2 (c) Chlorine, Cl2 (d) Ammonia, NH3 (e) Carbon dioxide, CO2 (Atomic masses: H = 1 u, O = 16 u; Cl = 35.5 u; N = 14 u; C = 12 u)
Answer» Calculate the molecular masses of the following: (a) Hydrogen, $H_{2}$ (b) Oxygen, $O_{2}$ (c) Chlorine, $C l_{2}$ (d) Ammonia, $N H_{3}$ (e) Carbon dioxide, $C O_{2}$ (Atomic masses: H = 1 u, O = 16 u; Cl = 35.5 u; N = 14 u; C = 12 u)

2996.

Calculate the molecular masses of the following: (a) Hydrogen, H2 (b) Oxygen, O2 (c) Chlorine, Cl2 (d) Ammonia, NH3 (e) Carbon dioxide, CO2 (Atomic masses: H = 1 u, O = 16 u; Cl = 35.5 u; N = 14 u; C = 12 u)

Answer»

Calculate the molecular masses of the following:

(a) Hydrogen, $H_{2}$

(b) Oxygen, $O_{2}$

(c) Chlorine, $C l_{2}$

(d) Ammonia, $N H_{3}$

(e) Carbon dioxide, $C O_{2}$

(Atomic masses: H = 1 u, O = 16 u; Cl = 35.5 u; N = 14 u; C = 12 u)

Discussion

2997.	When lead nitrate reacts with potassium iodide, yellow precipitate of
Answer» When lead nitrate reacts with potassium iodide, yellow precipitate of

Discussion

2998.	32 What Is Action of Zn, Fe, Cu and Al metals on the following salt solutions. i) ZnSO4 (aq.) ii) FeSO4 (aq.) iii) CuSO4 (aq.) iv) Al2 (SO4)3 (aq.)
Answer» 32 What Is Action of Zn, Fe, Cu and Al metals on the following salt solutions. i) ZnSO4 (aq.) ii) FeSO4 (aq.) iii) CuSO4 (aq.) iv) Al2 (SO4)3 (aq.)

Discussion

2999.	Two inlet tubes can fill a reservoir in 40 and 48 minutes respectively and an outlet tube can empty the reservoir at the rate of 6 litres per minute. When all the three tubes are opened together, they fill the reservoir in 30 minutes. What is the capacity of the reservoir?
Answer» Two inlet tubes can fill a reservoir in 40 and 48 minutes respectively and an outlet tube can empty the reservoir at the rate of 6 litres per minute. When all the three tubes are opened together, they fill the reservoir in 30 minutes. What is the capacity of the reservoir?

Discussion

3000.	How is the rate of spreading of a solid in a liquid affected by the change in temperature?
Answer» How is the rate of spreading of a solid in a liquid affected by the change in temperature?

Discussion

Explore topic-wise InterviewSolutions in .

Why does ink diffuse faster in water than honey

The maximum capacity of first shell is:

find ratio of mole of hydrogen gas produced by reaction of 1 mole zinc with excess of Nao

A proton is moving towards a Tin foil. Its distance of the closest approach is found to be 30 fm. What will be its distance of the closest approach if it approaches a Lead foil, with the same speed?Given: Atomic number of Tin=50, Atomic number of Lead=82

how to calculate mass of avagadro number of atoms of a compound

Three identical bodies(each of mass M) are placed at the vertices of an equilateral triangle of arm L ,keeping the triangle as such by which angular speed the bodies should ve rotated in their gravitational fields so that the triangle moves along circumference of circular orbit

how to predict the position of element in periodic table on the basis ofsuccessive ionisation energy?

Write a short note on electronic view of non-metals.

The discovery of neutrons came very late because

What is the formal charge on nitrogen in Nitrogen pentoxide?

The process of breaking up of rocks to form soil by the action of the wind, water, ice, climate and plants is called ___.

I cannot understand how to balance chemical equations.

0.2 mole of salt is added to 2.0 litres of water which is expected to more acidicA) Nahco3B)nh4no3C)Znso4D)Al2(so4)3

Does starch solution show Tyndall effect?

Explain by drawing a figure of the electronic configuration.a. Formation of sodium chloride from sodium and chlorine.b. Formation of a magnesium chloride from magnesium and chlorine.

A hydrocarbon contain 80% carbon 20% hydrogen its molecular mass is 30 what is its molecular formula

Pow much magnesium sulphide can be obtained from 2.00 g of magnesium and 2.00 g aauphur by the reaction, Mg + S Mg$? Which is the limiting agent? Calculate the amourof ane of the reactants which remains unreacted. (Mg 24, S = 32) by easy metho

21. Why oxalic acid is acidic in nature

The transition elements have a characteristic electronic configuration which can be represented as

Name the mixture whose particles are big enough to be seen with naked eye.

Question 7Which of the following are chemical changes?(i) Decaying of wood(ii) Burning of wood(iii) Sawing of wood(iv) Hammering of a nail into a piece of wood(a) (i) and (ii)(b) (ii) and (iii)(c) (iii) and (iv)(d) (i) and (iv)

Atoms that give away their electrons are called cations and atoms that take electrons are called anions and if we are made up of cells which is a type of matter then are we cations or anions?

Plaster of Paris should be stored in a moisture-proof container. Explain why.

State the temperature of ice point and steam point on the Fahrenheit scale.

In which of the following molecule number ofsinglet bonds are equal to number of non bondedelectron present at central atom :-(1) CIF3(2) XeF6(3) IF5(4) SF4Aren't all options wrong?

A burning candle shows both physical and chemical changes. Explain ?

Natural phenomenon like fog, mist or frost are caused due to:

Carbon compounds having both fluorine and chlorine (CFCs), which are very stable and not degraded by any biological process, are responsible for ___ .

why alkaline metal carbonate and alkalinr earth metal carbonate show difference in their solubility order

Question 3The chemical symbol for nitrogen gas is(a) Ni(b) N2(c) N+(d) N

Define roasting.

Strength of hydrogen peroxide is 15.18 g/L then it is equal to (a) 1 volume (b) 10 volume (c) 5 volume (d) 7 volume

What is formula for mohr's salt

What criterion is followed for the selection of the stationary phase in chromatography?

13. If photon having wavelength lamda =6.2nm was allowed to strike a metal plate having work function 50ev ,then calculate wavelength associated with emitted electrons .Options:A)1 into 10-10m B)2 into 10 to the power -10m. C)3 into 10 to the power -18 D)4 into 10 to the power -14

Explain all the important points of structure of an atom and also some extra questioms

What are the products formed when dilute hydrochloric acid reacts with reactive metals?

formula mass is applicable for 1)H2o 2)NaOH 3)Nac

What is the chemical formula of these acids ? Acetic acid Citric acid Tartaric acid Oxalic acid Lactic acid Methanoic acid Oleic acid Malic acid Stearic acid Butyric acid Uric acid Ascorbic acid Tannic acid Folic acid

Calculate the number of moles in 392 grams of sulphuric acid.

What are the organic and inorganic substances in URINE separately with respective amounts ?

N factor of h2o2 decomposition by using one Mole of h2o2.And also is nfactor change with changing mole??

Name the mixture in which the components can be identified at a glance of the mixture.

In 1953, Hooper was a favoured young man. Explain.

Calculate the molecular masses of the following: (a) Hydrogen, H2 (b) Oxygen, O2 (c) Chlorine, Cl2 (d) Ammonia, NH3 (e) Carbon dioxide, CO2 (Atomic masses: H = 1 u, O = 16 u; Cl = 35.5 u; N = 14 u; C = 12 u)

When lead nitrate reacts with potassium iodide, yellow precipitate of

32 What Is Action of Zn, Fe, Cu and Al metals on the following salt solutions. i) ZnSO4 (aq.) ii) FeSO4 (aq.) iii) CuSO4 (aq.) iv) Al2 (SO4)3 (aq.)

Two inlet tubes can fill a reservoir in 40 and 48 minutes respectively and an outlet tube can empty the reservoir at the rate of 6 litres per minute. When all the three tubes are opened together, they fill the reservoir in 30 minutes. What is the capacity of the reservoir?

How is the rate of spreading of a solid in a liquid affected by the change in temperature?