5083 + Interview Questions in Chemistry Page 32 InterviewSolution

1551.	Question 7 Which one of the following is not responsbile for water shortage? (i) Rapid growth of industries (ii) Increasing population (iii) Heavy rainfall (iv) Mismanagement of water resources
Answer» Question 7 Which one of the following is not responsbile for water shortage? (i) Rapid growth of industries (ii) Increasing population (iii) Heavy rainfall (iv) Mismanagement of water resources

Discussion

1552.	Write two important uses of coke.
Answer» Write two important uses of coke.

Discussion

1553.	The major use of oxygen is breathing and supporting life apart from that it is used for which purpose?
Answer» The major use of oxygen is breathing and supporting life apart from that it is used for which purpose?

Discussion

1554.	List the observations that helps us to determine when a chemical reaction has taken place.
Answer» List the observations that helps us to determine when a chemical reaction has taken place.

Discussion

1555.	Décrivez les repas français.
Answer» Décrivez les repas français.

Discussion

1556.	Himanshu has two substances A and B. The extract of red cabbage turns green when mixed with A and turns pink when mixed with B. When a solution of A and B is taken it turns red litmus to blue.
Answer» Himanshu has two substances A and B. The extract of red cabbage turns green when mixed with A and turns pink when mixed with B. When a solution of A and B is taken it turns red litmus to blue.

Discussion

1557.	What is the type of the underlined preposition? Meena is celebrating her birthday on the 29th.
Answer» What is the type of the underlined preposition? Meena is celebrating her birthday on the 29^th.

1557.

What is the type of the underlined preposition? Meena is celebrating her birthday on the 29th.

Answer»

What is the type of the underlined preposition?

Meena is celebrating her birthday on the 29^th.

Discussion

1558.	Write some of the most significant application of acids and bases.
Answer» Write some of the most significant application of acids and bases.

Discussion

1559.	What is an element?
Answer» What is an element?

Discussion

1560.	1. What is the definition of acidic salts?2. Write an equation for preparation of aqueous salt.3. What will happen when bases react with metals? [3 MARKS]
Answer» 1. What is the definition of acidic salts? 2. Write an equation for preparation of aqueous salt. 3. What will happen when bases react with metals? [3 MARKS]

Discussion

1561.	How to memorize the first 20 elements of the periodic table?
Answer» How to memorize the first 20 elements of the periodic table?

Discussion

1562.	The small fluffy fibres that are picked from hair is known as
Answer» The small fluffy fibres that are picked from hair is known as

Discussion

1563.	what is hypothetical concept ?
Answer» what is hypothetical concept ?

Discussion

1564.	Ram is suffering from peptic ulcer after eating too many green chillies. He visited the doctor. The doctor would advise him to eat which among the following food options?
Answer» Ram is suffering from peptic ulcer after eating too many green chillies. He visited the doctor. The doctor would advise him to eat which among the following food options?

Discussion

1565.	Question 4:Name a few common indicators used in laboratories?
Answer» Question 4: Name a few common indicators used in laboratories?

1565.

Question 4:Name a few common indicators used in laboratories?

Answer»

Question 4:

Name a few common indicators used in laboratories?

Discussion

1566.	If two liquids are immiscible, which of the two liquids will be at the bottom layer if they are placed together in a funnel?
Answer» If two liquids are immiscible, which of the two liquids will be at the bottom layer if they are placed together in a funnel?

Discussion

1567.	Based on electronic configuration which of these will exist in molecular state instead of atomic state?
Answer» Based on electronic configuration which of these will exist in molecular state instead of atomic state?

Discussion

1568.	Correct relation between dissociation constant of dibasic acidOptions:Ka1 = Ka2Ka1 > KaKa1 < Ka2Ka1 = 1/2 Ka2
Answer» Correct relation between dissociation constant of dibasic acid Options: Ka1 = Ka2 Ka1 > Ka Ka1 < Ka2 Ka1 = 1/2 Ka2

Discussion

1569.	Fractional distillation is suitable for separation of miscible liquids with a boiling point difference of about 25 K or less. What part of fractional distillation apparatus makes it efficient and possess an advantage over a simple distillation process. Explain using a diagram.
Answer» Fractional distillation is suitable for separation of miscible liquids with a boiling point difference of about 25 K or less. What part of fractional distillation apparatus makes it efficient and possess an advantage over a simple distillation process. Explain using a diagram.

Discussion

1570.	When dilute hydrochloric acid reacts with sodium hydroxide,
Answer» When dilute hydrochloric acid reacts with sodium hydroxide,

Discussion

1571.	What are the fabrics used by the pochampalli weavers to make the saree?
Answer» What are the fabrics used by the pochampalli weavers to make the saree?

Discussion

1572.	Which of the following soils is marshy?
Answer» Which of the following soils is marshy?

Discussion

1573.	For a I st order reaction nA→B, whose concentration Vs time curve is as shown below.If half life for the reaction is 24 min, the value of n is
Answer» For a $I^{st}$ order reaction $n A \to B$ , whose concentration Vs time curve is as shown below. If half life for the reaction is $24 min$ , the value of $n$ is

Discussion

1574.	how many grams of ice at -14 degree celcius is needed to cool 200g of water from 25 degree celcius to 10 degree celcius ? (specific heat of ice =0.5cal/g degree celcius latent heat of ice =80cal/g
Answer» how many grams of ice at -14 degree celcius is needed to cool 200g of water from 25 degree celcius to 10 degree celcius ? (specific heat of ice =0.5cal/g degree celcius latent heat of ice =80cal/g

Discussion

1575.	Plant prepare their own food by using
Answer» Plant prepare their own food by using

Discussion

1576.	Cutting of wood is which change?
Answer» Cutting of wood is which change?

Discussion

1577.	69. Is sulphurous acid a weak acid?
Answer» 69. Is sulphurous acid a weak acid?

Discussion

1578.	What is prolocation rate? In which type of soil it is highest and in which type of soil it is least?
Answer» What is prolocation rate? In which type of soil it is highest and in which type of soil it is least?

Discussion

1579.	Give an example other than a table salt
Answer» Give an example other than a table salt

Discussion

1580.	M germs of steam at 100∘C is mixed with 200 g of ice at its melting point in a thermally insulated container. If it produces liquid water at 40∘C [heat of vaporization of water is 540 cal/g and heat of fusion of ice is 80 cal/g], the value of M(in g) is .
Answer» M germs of steam at $100^{\circ} C$ is mixed with $200 g$ of ice at its melting point in a thermally insulated container. If it produces liquid water at $40^{\circ} C$ [heat of vaporization of water is $540 cal/g$ and heat of fusion of ice is $80 cal/g$ ], the value of $M (in g)$ is .

Discussion

1581.	What is the difference between atomic mass and formula mass?
Answer» What is the difference between atomic mass and formula mass?

Discussion

1582.	What is the difference between a molecule and a compound?
Answer» What is the difference between a molecule and a compound?

Discussion

1583.	Identify the states of matter from the following cases:(a) The juice takes up the shape of a bottle in which it is present.(b) A stone pebble cannot be compressed easily.(c) Air inside empty jar.
Answer» Identify the states of matter from the following cases: (a) The juice takes up the shape of a bottle in which it is present. (b) A stone pebble cannot be compressed easily. (c) Air inside empty jar.

Discussion

1584.	The rate constant of a first order reaction is4 x 10-3 sec1. At a réactant concentration of0.02 M, the rate of reaction would be-(1) 8 x 10 M sec1 (2) 4 x 103 M sec1(3) 2 x 10-1 M sec1(4) 4 x 10-1 M sec1
Answer» The rate constant of a first order reaction is4 x 10-3 sec1. At a réactant concentration of0.02 M, the rate of reaction would be-(1) 8 x 10 M sec1 (2) 4 x 103 M sec1(3) 2 x 10-1 M sec1(4) 4 x 10-1 M sec1

Discussion

1585.	Addition of which of the following during manufacturing results in blue colour of the glass?
Answer» Addition of which of the following during manufacturing results in blue colour of the glass?

Discussion

1586.	About 97% of the world's water is _______.
Answer» About 97% of the world's water is _______.

Discussion

1587.	32. Ksp of AGI is 16. Standard reduction electrode potential of Ag is 0.8V. Find the the EMF for half cell reaction.
Answer» 32. Ksp of AGI is 16. Standard reduction electrode potential of Ag is 0.8V. Find the the EMF for half cell reaction.

Discussion

1588.	†ext { In the relation } y = a \operatorname { cos } ( ω t - k x ) , †ext { the dimensional formula for } k †ext { is
Answer» †ext { In the relation } y = a \operatorname { cos } ( ω t - k x ) , †ext { the dimensional formula for } k †ext { is

Discussion

1589.	Galvanisation is applying a coating of:
Answer» Galvanisation is applying a coating of:

Discussion

1590.	A pipe carrying sewage is called ____________.
Answer» A pipe carrying sewage is called ____________.

Discussion

1591.	Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?
Answer» Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below $4^{o} C$ . Why do you think this happens?

1591.

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?

Answer»

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines.

People have noticed that these pipelines often burst in winter when temperatures drop below $4^{o} C$ . Why do you think this happens?

Discussion

1592.	Which of the following option correctly represents the pH value of an acid and a base?
Answer» Which of the following option correctly represents the pH value of an acid and a base?

Discussion

1593.	Q32. What is the special property of the tuning fork?
Answer» Q32. What is the special property of the tuning fork?

Discussion

1594.	Which is the chemical that removes the colour of waste water
Answer» Which is the chemical that removes the colour of waste water

Discussion

1595.	How to find the pressure exerted by a cube if volume of the cube and mass is given?
Answer» How to find the pressure exerted by a cube if volume of the cube and mass is given?

Discussion

1596.	how to find polar molecule
Answer» how to find polar molecule

Discussion

1597.	Question 1 Are all changes reversible? Justify your answer Give the classification of changes on the basis of the reversibility nature of the substances.
Answer» Question 1 Are all changes reversible? Justify your answer Give the classification of changes on the basis of the reversibility nature of the substances.

1597.

Question 1 Are all changes reversible? Justify your answer Give the classification of changes on the basis of the reversibility nature of the substances.

Answer»

Question 1

Are all changes reversible? Justify your answer

Give the classification of changes on the basis of the reversibility nature of the substances.

Discussion

1598.	Question 26Why is it advised that industries should switch over to cleaner fuels such as CNG and LPG in the TajMahal Zone in Agra?
Answer» Question 26 Why is it advised that industries should switch over to cleaner fuels such as CNG and LPG in the TajMahal Zone in Agra?

Discussion

1599.	If the formula of a chloride of a metal M is MCl3, then what will be the formula of the phosphate of metal M?
Answer» If the formula of a chloride of a metal $M$ is $M C l_{3}$ , then what will be the formula of the phosphate of metal $M$ ?

Discussion

1600.	Which of the following statement is true for acids?(a) Bitter and change red litmus to blue(b) Sour and change red litmus to blue(c) Sour and change blue litmus to red(d) Bitter and change blue litmus to red
Answer» Which of the following statement is true for acids? (a) Bitter and change red litmus to blue (b) Sour and change red litmus to blue (c) Sour and change blue litmus to red (d) Bitter and change blue litmus to red

Discussion

Explore topic-wise InterviewSolutions in .

Question 7 Which one of the following is not responsbile for water shortage? (i) Rapid growth of industries (ii) Increasing population (iii) Heavy rainfall (iv) Mismanagement of water resources

Write two important uses of coke.

The major use of oxygen is breathing and supporting life apart from that it is used for which purpose?

List the observations that helps us to determine when a chemical reaction has taken place.

Décrivez les repas français.

Himanshu has two substances A and B. The extract of red cabbage turns green when mixed with A and turns pink when mixed with B. When a solution of A and B is taken it turns red litmus to blue.

What is the type of the underlined preposition? Meena is celebrating her birthday on the 29th.

Write some of the most significant application of acids and bases.

What is an element?

1. What is the definition of acidic salts?2. Write an equation for preparation of aqueous salt.3. What will happen when bases react with metals? [3 MARKS]

How to memorize the first 20 elements of the periodic table?

The small fluffy fibres that are picked from hair is known as

what is hypothetical concept ?

Ram is suffering from peptic ulcer after eating too many green chillies. He visited the doctor. The doctor would advise him to eat which among the following food options?

Question 4:Name a few common indicators used in laboratories?

If two liquids are immiscible, which of the two liquids will be at the bottom layer if they are placed together in a funnel?

Based on electronic configuration which of these will exist in molecular state instead of atomic state?

Correct relation between dissociation constant of dibasic acidOptions:Ka1 = Ka2Ka1 > KaKa1 < Ka2Ka1 = 1/2 Ka2

Fractional distillation is suitable for separation of miscible liquids with a boiling point difference of about 25 K or less. What part of fractional distillation apparatus makes it efficient and possess an advantage over a simple distillation process. Explain using a diagram.

When dilute hydrochloric acid reacts with sodium hydroxide,

What are the fabrics used by the pochampalli weavers to make the saree?

Which of the following soils is marshy?

For a I st order reaction nA→B, whose concentration Vs time curve is as shown below.If half life for the reaction is 24 min, the value of n is

how many grams of ice at -14 degree celcius is needed to cool 200g of water from 25 degree celcius to 10 degree celcius ? (specific heat of ice =0.5cal/g degree celcius latent heat of ice =80cal/g

Plant prepare their own food by using

Cutting of wood is which change?

69. Is sulphurous acid a weak acid?

What is prolocation rate? In which type of soil it is highest and in which type of soil it is least?

Give an example other than a table salt

M germs of steam at 100∘C is mixed with 200 g of ice at its melting point in a thermally insulated container. If it produces liquid water at 40∘C [heat of vaporization of water is 540 cal/g and heat of fusion of ice is 80 cal/g], the value of M(in g) is .

What is the difference between atomic mass and formula mass?

What is the difference between a molecule and a compound?

Identify the states of matter from the following cases:(a) The juice takes up the shape of a bottle in which it is present.(b) A stone pebble cannot be compressed easily.(c) Air inside empty jar.

The rate constant of a first order reaction is4 x 10-3 sec1. At a réactant concentration of0.02 M, the rate of reaction would be-(1) 8 x 10 M sec1 (2) 4 x 103 M sec1(3) 2 x 10-1 M sec1(4) 4 x 10-1 M sec1

Addition of which of the following during manufacturing results in blue colour of the glass?

About 97% of the world's water is _______.

32. Ksp of AGI is 16. Standard reduction electrode potential of Ag is 0.8V. Find the the EMF for half cell reaction.

†ext { In the relation } y = a \operatorname { cos } ( ω t - k x ) , †ext { the dimensional formula for } k †ext { is

Galvanisation is applying a coating of:

A pipe carrying sewage is called ____________.

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?

Which of the following option correctly represents the pH value of an acid and a base?

Q32. What is the special property of the tuning fork?

Which is the chemical that removes the colour of waste water

How to find the pressure exerted by a cube if volume of the cube and mass is given?

how to find polar molecule

Question 1 Are all changes reversible? Justify your answer Give the classification of changes on the basis of the reversibility nature of the substances.

Question 26Why is it advised that industries should switch over to cleaner fuels such as CNG and LPG in the TajMahal Zone in Agra?

If the formula of a chloride of a metal M is MCl3, then what will be the formula of the phosphate of metal M?

Which of the following statement is true for acids?(a) Bitter and change red litmus to blue(b) Sour and change red litmus to blue(c) Sour and change blue litmus to red(d) Bitter and change blue litmus to red