5083 + Interview Questions in Chemistry Page 70 InterviewSolution

3451.	1. Difference between radical and ion.
Answer» 1. Difference between radical and ion.

Discussion

3452.	Which of the following groups exhibit all the following properties? 1. Lustrous 2. Ductile 3. Malleable 4. Hard 5. Conduct electricity
Answer» Which of the following groups exhibit all the following properties? 1. Lustrous 2. Ductile 3. Malleable 4. Hard 5. Conduct electricity

3452.

Which of the following groups exhibit all the following properties? 1. Lustrous 2. Ductile 3. Malleable 4. Hard 5. Conduct electricity

Answer»

Which of the following groups exhibit all the following properties?

1. Lustrous

2. Ductile

3. Malleable

4. Hard

5. Conduct electricity

Discussion

3453.	Anhydrous Copper sulfate is ______ in colour.
Answer» Anhydrous Copper sulfate is ______ in colour.

Discussion

3454.	Green house gases (carbon dioxide, methane, etc) are useful for atmosphere as it traps heat in the atmosphere so that there is a proper balance of temperature. But excessive amount of greenhouse gases cause several problems. Which among the following is caused due to the excessive release of green house gases in the atmosphere?
Answer» Green house gases (carbon dioxide, methane, etc) are useful for atmosphere as it traps heat in the atmosphere so that there is a proper balance of temperature. But excessive amount of greenhouse gases cause several problems. Which among the following is caused due to the excessive release of green house gases in the atmosphere?

Discussion

3455.	Anjali took sand, red soil, gravel and soil from a forest in four test tubes. She then poured hydrogen peroxide into each test tube. Which test tube will produce the highest effervescence?
Answer» Anjali took sand, red soil, gravel and soil from a forest in four test tubes. She then poured hydrogen peroxide into each test tube. Which test tube will produce the highest effervescence?

Discussion

3456.	A sample of soil is collected from a garden. When this sample is mixed with the extract of red cabbage, the color of the extract changed to light pink. Which of the following(s) should be added to make the soil suitable for plants?
Answer» A sample of soil is collected from a garden. When this sample is mixed with the extract of red cabbage, the color of the extract changed to light pink. Which of the following(s) should be added to make the soil suitable for plants?

Discussion

3457.	Are micelles alive?
Answer» Are micelles alive?

Discussion

3458.	Same quantity of electricity is being used to liberate iodine (at anode) and a metal x (at cathode). The mass of x deposited is 0.6 g and the iodine is completely reduced by 50 cc of 0.1M sodium thiosulphate. Find the equivalent mass of x.
Answer» Same quantity of electricity is being used to liberate iodine (at anode) and a metal x (at cathode). The mass of x deposited is 0.6 g and the iodine is completely reduced by 50 cc of 0.1M sodium thiosulphate. Find the equivalent mass of x.

Discussion

3459.	Question 3 Which of the following mixtures would you be able to separate using the method of filtration? (a) Oil in water (b) Cornflakes in milk (c) Salt in water (d) Sugar in milk
Answer» Question 3 Which of the following mixtures would you be able to separate using the method of filtration? (a) Oil in water (b) Cornflakes in milk (c) Salt in water (d) Sugar in milk

3459.

Question 3 Which of the following mixtures would you be able to separate using the method of filtration? (a) Oil in water (b) Cornflakes in milk (c) Salt in water (d) Sugar in milk

Answer»

Question 3

Which of the following mixtures would you be able to separate using the method of filtration?

(a) Oil in water

(b) Cornflakes in milk

(c) Salt in water

(d) Sugar in milk

Discussion

3460.	Ingestion of food is difficult without teeth
Answer» Ingestion of food is difficult without teeth

Discussion

3461.	Why do we feel confortable when we sit under a tree ?
Answer» Why do we feel confortable when we sit under a tree ?

Discussion

3462.	Sewage systems should not have which of the following characteristics?
Answer» Sewage systems should not have which of the following characteristics?

Discussion

3463.	What are the new norms for all big residential units?
Answer» What are the new norms for all big residential units?

Discussion

3464.	Soil is said to be teeming with life because _________________.
Answer» Soil is said to be teeming with life because _________________.

Discussion

3465.	Explain the different layers of soil.
Answer» Explain the different layers of soil.

Discussion

3466.	Some acids are dangerous and some are not? Why?
Answer» Some acids are dangerous and some are not? Why?

Discussion

3467.	What substance is present in hospital wastewater?
Answer» What substance is present in hospital wastewater?

Discussion

3468.	Question 2 Explain how groundwater is recharged?
Answer» Question 2 Explain how groundwater is recharged?

Discussion

3469.	Firemen crawl while entering a building where fire has broken out.
Answer» Firemen crawl while entering a building where fire has broken out.

Discussion

3470.	Clayey soil is used for making pottery because of its
Answer» Clayey soil is used for making pottery because of its

Discussion

3471.	Woollen clothes are made from:
Answer» Woollen clothes are made from:

Discussion

3472.	Question 7 Out of the following, which are the two terms related to silk production? Sericulture, floriculture, moriculture, apiculture and silviculture. Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms. (ii) The scientific name of mulberry is Morus alba.
Answer» Question 7 Out of the following, which are the two terms related to silk production? Sericulture, floriculture, moriculture, apiculture and silviculture. Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms. (ii) The scientific name of mulberry is Morus alba.

Discussion

3473.	We can see the flames of fire.Now these flames should be made up of something.What are the type(s) of atoms that make a flame of fire?
Answer» We can see the flames of fire.Now these flames should be made up of something.What are the type(s) of atoms that make a flame of fire?

Discussion

3474.	Uranium is known as _________ element.
Answer» Uranium is known as _________ element.

Discussion

3475.	List any 2 acids,bases and salts in the form of mixture,compound base material of substance that you come across in your daily life and focus on their uses.
Answer» List any 2 acids,bases and salts in the form of mixture,compound base material of substance that you come across in your daily life and focus on their uses.

Discussion

3476.	When does respiration takes place in plants?
Answer» When does respiration takes place in plants?

Discussion

3477.	Which among the following is a water-borne disease?
Answer» Which among the following is a water-borne disease?

Discussion

3478.	When Rashi left for office in the morning she forgot to keep the packet of milk inside the refrigerator and after returning back she realized that the milk had turned sour. Can she get the fresh milk back?
Answer» When Rashi left for office in the morning she forgot to keep the packet of milk inside the refrigerator and after returning back she realized that the milk had turned sour. Can she get the fresh milk back?

Discussion

3479.	During the manufacturing of soap, dyes are added for
Answer» During the manufacturing of soap, dyes are added for

Discussion

3480.	Conversion of CaCO3 into CaO as per the reaction, CaCO3→CaO+CO2 is an example of:
Answer» Conversion of $C a C O_{3}$ into $C a O$ as per the reaction, $C a C O_{3} \to C a O + C O_{2}$ is an example of:

Discussion

3481.	___ reserves are conserved specific places for the huge diversity or variety of life that they hold.
Answer» ___ reserves are conserved specific places for the huge diversity or variety of life that they hold.

Discussion

3482.	If lemons have acids then WHY does an antacid like eno have the flavour "lemon" ???
Answer» If lemons have acids then WHY does an antacid like eno have the flavour "lemon" ???

Discussion

3483.	Differentiate between combination and decomposition reaction.
Answer» Differentiate between combination and decomposition reaction.

Discussion

3484.	Which of the following is an example of natural fibre?
Answer» Which of the following is an example of natural fibre?

Discussion

3485.	How does oxygen get evolved during photosynthesis?
Answer» How does oxygen get evolved during photosynthesis?

Discussion

3486.	When water is added to quick lime,
Answer» When water is added to quick lime,

Discussion

3487.	The horizontal rows of the periodic table are called
Answer» The horizontal rows of the periodic table are called

Discussion

3488.	Which chemical is added during the sedimentation step to allow settling of floating particles in water?
Answer» Which chemical is added during the sedimentation step to allow settling of floating particles in water?

Discussion

3489.	Why is it necessary to balance the number of atoms on the two sides of a skeletal chemical equation?
Answer» Why is it necessary to balance the number of atoms on the two sides of a skeletal chemical equation?

Discussion

3490.	Scratches on polymethyl methacrylate polymer glass can be easily wiped out by
Answer» Scratches on polymethyl methacrylate polymer glass can be easily wiped out by

Discussion

3491.	How to convert Celsius to Fahrenheit
Answer» How to convert Celsius to Fahrenheit

Discussion

3492.	Why does the moon don't fall down
Answer» Why does the moon don't fall down

Discussion

3493.	Question 6 (ii) Mark ‘T’ if the statement is true and ‘F’ if it is false: (ii) Sodium hydroxide turns blue litmus red.
Answer» Question 6 (ii) Mark ‘T’ if the statement is true and ‘F’ if it is false: (ii) Sodium hydroxide turns blue litmus red.

Discussion

3494.	Question 5 When the soil is too basic in nature, plants do not grow well in it. To improve its quality what must be added to the soil? (a) Organic matter (b) Quicklime (c) Slaked lime (d) Calamine solution
Answer» Question 5 When the soil is too basic in nature, plants do not grow well in it. To improve its quality what must be added to the soil? (a) Organic matter (b) Quicklime (c) Slaked lime (d) Calamine solution

3494.

Question 5 When the soil is too basic in nature, plants do not grow well in it. To improve its quality what must be added to the soil? (a) Organic matter (b) Quicklime (c) Slaked lime (d) Calamine solution

Answer»

Question 5

When the soil is too basic in nature, plants do not grow well in it. To improve its quality what must be added to the soil?
(a) Organic matter
(b) Quicklime
(c) Slaked lime
(d) Calamine solution

Discussion

3495.	Formation of water is an example of ____________ reaction
Answer» Formation of water is an example of ____________ reaction

Discussion

3496.	Sewage contains which of the following wastes and impurities?
Answer» Sewage contains which of the following wastes and impurities?

Discussion

3497.	Which of the following is the correct definition of 'Biosphere Reserve'?
Answer» Which of the following is the correct definition of 'Biosphere Reserve'?

Discussion

3498.	Which of the following are antibiotics?
Answer» Which of the following are antibiotics?

Discussion

3499.	What is the chemical name of baking soda? Explain how the contents of the compound help in raising the dough. [3 MARKS]
Answer» What is the chemical name of baking soda? Explain how the contents of the compound help in raising the dough. [3 MARKS]

Discussion

3500.	a)What are salts? Are they acidic, basic or neutral? Give examples. b)Give names of the acids found in the following substances i. Vinegar ii. Curd. [5 MARKS]
Answer» a)What are salts? Are they acidic, basic or neutral? Give examples. b)Give names of the acids found in the following substances i. Vinegar ii. Curd. [5 MARKS]

Discussion

Explore topic-wise InterviewSolutions in .

1. Difference between radical and ion.

Which of the following groups exhibit all the following properties? 1. Lustrous 2. Ductile 3. Malleable 4. Hard 5. Conduct electricity

Anhydrous Copper sulfate is ______ in colour.

Anjali took sand, red soil, gravel and soil from a forest in four test tubes. She then poured hydrogen peroxide into each test tube. Which test tube will produce the highest effervescence?

A sample of soil is collected from a garden. When this sample is mixed with the extract of red cabbage, the color of the extract changed to light pink. Which of the following(s) should be added to make the soil suitable for plants?

Are micelles alive?

Same quantity of electricity is being used to liberate iodine (at anode) and a metal x (at cathode). The mass of x deposited is 0.6 g and the iodine is completely reduced by 50 cc of 0.1M sodium thiosulphate. Find the equivalent mass of x.

Question 3 Which of the following mixtures would you be able to separate using the method of filtration? (a) Oil in water (b) Cornflakes in milk (c) Salt in water (d) Sugar in milk

Ingestion of food is difficult without teeth

Why do we feel confortable when we sit under a tree ?

Sewage systems should not have which of the following characteristics?

What are the new norms for all big residential units?

Soil is said to be teeming with life because _________________.

Explain the different layers of soil.

Some acids are dangerous and some are not? Why?

What substance is present in hospital wastewater?

Question 2 Explain how groundwater is recharged?

Firemen crawl while entering a building where fire has broken out.

Clayey soil is used for making pottery because of its

Woollen clothes are made from:

Question 7 Out of the following, which are the two terms related to silk production? Sericulture, floriculture, moriculture, apiculture and silviculture. Hints: (i) Silk production involves cultivation of mulberry leaves and rearing silkworms. (ii) The scientific name of mulberry is Morus alba.

We can see the flames of fire.Now these flames should be made up of something.What are the type(s) of atoms that make a flame of fire?

Uranium is known as _________ element.

List any 2 acids,bases and salts in the form of mixture,compound base material of substance that you come across in your daily life and focus on their uses.

When does respiration takes place in plants?

Which among the following is a water-borne disease?

When Rashi left for office in the morning she forgot to keep the packet of milk inside the refrigerator and after returning back she realized that the milk had turned sour. Can she get the fresh milk back?

During the manufacturing of soap, dyes are added for

Conversion of CaCO3 into CaO as per the reaction, CaCO3→CaO+CO2 is an example of:

___ reserves are conserved specific places for the huge diversity or variety of life that they hold.

If lemons have acids then WHY does an antacid like eno have the flavour "lemon" ???

Differentiate between combination and decomposition reaction.

Which of the following is an example of natural fibre?

How does oxygen get evolved during photosynthesis?

When water is added to quick lime,

The horizontal rows of the periodic table are called

Which chemical is added during the sedimentation step to allow settling of floating particles in water?

Why is it necessary to balance the number of atoms on the two sides of a skeletal chemical equation?

Scratches on polymethyl methacrylate polymer glass can be easily wiped out by

How to convert Celsius to Fahrenheit

Why does the moon don't fall down

Question 6 (ii) Mark ‘T’ if the statement is true and ‘F’ if it is false: (ii) Sodium hydroxide turns blue litmus red.

Question 5 When the soil is too basic in nature, plants do not grow well in it. To improve its quality what must be added to the soil? (a) Organic matter (b) Quicklime (c) Slaked lime (d) Calamine solution

Formation of water is an example of ____________ reaction

Sewage contains which of the following wastes and impurities?

Which of the following is the correct definition of 'Biosphere Reserve'?

Which of the following are antibiotics?

What is the chemical name of baking soda? Explain how the contents of the compound help in raising the dough. [3 MARKS]

a)What are salts? Are they acidic, basic or neutral? Give examples. b)Give names of the acids found in the following substances i. Vinegar ii. Curd. [5 MARKS]