3275 + Interview Questions in Chemistry Page 49 InterviewSolution

2401.	To separate grain seeds, Asian farmers beat the heads of the stalks on the ground or some hard surface. This practice is known as:
Answer» To separate grain seeds, Asian farmers beat the heads of the stalks on the ground or some hard surface. This practice is known as:

Discussion

2402.	You are provided with solution of a substance X. How will you test whether it is a saturated or unsaturated? What happens when a hot saturated solution is allowed to cool?
Answer» You are provided with solution of a substance X. How will you test whether it is a saturated or unsaturated? What happens when a hot saturated solution is allowed to cool?

Discussion

2403.	What problem did the villagers of Hardas village face? What did they do to solve this problem?
Answer» What problem did the villagers of Hardas village face? What did they do to solve this problem?

Discussion

2404.	Molecular formula of epsom is :
Answer» Molecular formula of epsom is :

Discussion

2405.	Which of the following are modern day fuels which do not leave any residue on burning?
Answer» Which of the following are modern day fuels which do not leave any residue on burning?

Discussion

2406.	Which among the following is the most abundant element in the Earth's crust?
Answer» Which among the following is the most abundant element in the Earth's crust?

Discussion

2407.	Question 1 Which of the following statements is incorrect? a) All living things require air to breathe b) We can feel air but we cannot see it. c) Moving air makes it possible to fly a kite. d) Air is present everywhere but not in soil.
Answer» Question 1 Which of the following statements is incorrect? a) All living things require air to breathe b) We can feel air but we cannot see it. c) Moving air makes it possible to fly a kite. d) Air is present everywhere but not in soil.

2407.

Question 1 Which of the following statements is incorrect? a) All living things require air to breathe b) We can feel air but we cannot see it. c) Moving air makes it possible to fly a kite. d) Air is present everywhere but not in soil.

Answer»

Question 1

Which of the following statements is incorrect?

a) All living things require air to breathe

b) We can feel air but we cannot see it.

c) Moving air makes it possible to fly a kite.

d) Air is present everywhere but not in soil.

Discussion

2408.	Rahul and Manvi, each was given a mixture of iron filings and sulphur powder. Rahul heated the mixture strongly and a new substance was formed. State the observation.
Answer» Rahul and Manvi, each was given a mixture of iron filings and sulphur powder. Rahul heated the mixture strongly and a new substance was formed. State the observation.

Discussion

2409.	Which of the following kind of solution is not possible?
Answer» Which of the following kind of solution is not possible?

Discussion

2410.	Few properties are mentioned below. Specify the property as mixture or compounds: STATEMENT 1: The constituents can be separated easily by physical means. STATEMENT 2: Has a variable composition. STATEMENT 3: The composition is always fixed. STATEMENT 4: Shows entirely different properties from constituent elements.
Answer» Few properties are mentioned below. Specify the property as mixture or compounds: STATEMENT 1: The constituents can be separated easily by physical means. STATEMENT 2: Has a variable composition. STATEMENT 3: The composition is always fixed. STATEMENT 4: Shows entirely different properties from constituent elements.

2410.

Few properties are mentioned below. Specify the property as mixture or compounds: STATEMENT 1: The constituents can be separated easily by physical means. STATEMENT 2: Has a variable composition. STATEMENT 3: The composition is always fixed. STATEMENT 4: Shows entirely different properties from constituent elements.

Answer»

Few properties are mentioned below. Specify the property as mixture or compounds:

STATEMENT 1: The constituents can be separated easily by physical means.

STATEMENT 2: Has a variable composition.

STATEMENT 3: The composition is always fixed.

STATEMENT 4: Shows entirely different properties from constituent elements.

Discussion

2411.	Why can't one see through fog?
Answer» Why can't one see through fog?

Discussion

2412.	PET is -
Answer» PET is -

Discussion

2413.	Glowing of a tungsten filament is a ____________ change (Physical or chemical)
Answer» Glowing of a tungsten filament is a ____________ change (Physical or chemical)

Discussion

2414.	Why is this line made for ocean water? "Water water everywhere, not any drop to drink.”
Answer» Why is this line made for ocean water? "Water water everywhere, not any drop to drink.”

2414.

Why is this line made for ocean water? "Water water everywhere, not any drop to drink.”

Answer» Why is this line made for ocean water?

"Water water everywhere, not any drop to drink.”

Discussion

2415.	Question 17.2 Explain the following observations very briefly The arrow of weather cock points towards a particular direction at a particular moment.
Answer» Question 17.2 Explain the following observations very briefly The arrow of weather cock points towards a particular direction at a particular moment.

2415.

Question 17.2 Explain the following observations very briefly The arrow of weather cock points towards a particular direction at a particular moment.

Answer»

Question 17.2

Explain the following observations very briefly

The arrow of weather cock points towards a particular
direction at a particular moment.

Discussion

2416.	What is the boiling point of water on the Kelvin scale?
Answer» What is the boiling point of water on the Kelvin scale?

Discussion

2417.	The component of air which is used by green plants to make their food is
Answer» The component of air which is used by green plants to make their food is

Discussion

2418.	1. A process in which a solid directly changes into gaseous state ________. 2. The clear liquid obtained after filteration _________.
Answer» 1. A process in which a solid directly changes into gaseous state ________. 2. The clear liquid obtained after filteration _________.

Discussion

2419.	How are solutions classified based on the amount of solute given in the solution?
Answer» How are solutions classified based on the amount of solute given in the solution?

Discussion

2420.	Question 2 In which of the following activities will you use the minimum amount of water? (a) Bathing (b) Brushing teeth (c) Washing clothes (d) Mopping a room
Answer» Question 2 In which of the following activities will you use the minimum amount of water? (a) Bathing (b) Brushing teeth (c) Washing clothes (d) Mopping a room

2420.

Question 2 In which of the following activities will you use the minimum amount of water? (a) Bathing (b) Brushing teeth (c) Washing clothes (d) Mopping a room

Answer»

Question 2

In which of the following activities will you use the minimum amount of water?

(a) Bathing

(b) Brushing teeth

(c) Washing clothes

(d) Mopping a room

Discussion

2421.	Why do we need separate mixtures ?Give examples to illustrate your answer
Answer» Why do we need separate mixtures ?Give examples to illustrate your answer

Discussion

2422.	Common salt also known as sodium chloride is classified as:
Answer» Common salt also known as sodium chloride is classified as:

Discussion

2423.	Match the following: 1) Turnip a) Flower 2) Cauliflower b) Root 3) Spinach c) Seeds 4) Groundnut d) Leaves
Answer» Match the following: 1) Turnip a) Flower 2) Cauliflower b) Root 3) Spinach c) Seeds 4) Groundnut d) Leaves

Discussion

2424.	In which of the following cases can we use sedimentation and decantation as a method for separation of the components?
Answer» In which of the following cases can we use sedimentation and decantation as a method for separation of the components?

Discussion

2425.	Why do heels crack in winter? What effect the application of lubricant have on the heels?
Answer» Why do heels crack in winter? What effect the application of lubricant have on the heels?

Discussion

2426.	Identify the irreversible change:
Answer» Identify the irreversible change:

Discussion

2427.	Least Polluting fuel for the vehicle is ___?
Answer» Least Polluting fuel for the vehicle is ___?

Discussion

2428.	Name the metallic property due to which metal bells work
Answer» Name the metallic property due to which metal bells work

Discussion

2429.	The reversed process of melting is:
Answer» The reversed process of melting is:

Discussion

2430.	Question 14 State whether the following statements are true or false. If false, correct them Silk is a plant fibre. Jute is obtained from the leaves of a plant. Weaving is a process of arranging two sets of yarns together. Cotton yarn on burning gives an odour similar to that of a burning paper.
Answer» Question 14 State whether the following statements are true or false. If false, correct them Silk is a plant fibre. Jute is obtained from the leaves of a plant. Weaving is a process of arranging two sets of yarns together. Cotton yarn on burning gives an odour similar to that of a burning paper.

2430.

Question 14 State whether the following statements are true or false. If false, correct them Silk is a plant fibre. Jute is obtained from the leaves of a plant. Weaving is a process of arranging two sets of yarns together. Cotton yarn on burning gives an odour similar to that of a burning paper.

Answer»

Question 14

State whether the following statements are true or false. If false, correct them
Silk is a plant fibre.
Jute is obtained from the leaves of a plant.
Weaving is a process of arranging two sets of yarns together.
Cotton yarn on burning gives an odour similar to that of a burning paper.

Discussion

2431.	which state of matter is fire?
Answer» which state of matter is fire?

Discussion

2432.	Sulphur dioxide is dissolved in water. The solution is tested for acidic nature. What are the changes you will observe when you dip a litmus paper in the solution?
Answer» Sulphur dioxide is dissolved in water. The solution is tested for acidic nature. What are the changes you will observe when you dip a litmus paper in the solution?

Discussion

2433.	Which soil is best suitable for cotton cultivation ?
Answer» Which soil is best suitable for cotton cultivation ?

Discussion

2434.	We can see partially through:
Answer» We can see partially through:

Discussion

2435.	What is temperature
Answer» What is temperature

Discussion

2436.	Your grandmother gives you lot of mangoes and asked you not to eat all alone but also to distribute it to your siblings and cousins. With every person, the number of mangoes you have is decreasing and ultimately you are left with no mangoes. Your grandmother told you that the result is same for natural resources too. She is right because?
Answer» Your grandmother gives you lot of mangoes and asked you not to eat all alone but also to distribute it to your siblings and cousins. With every person, the number of mangoes you have is decreasing and ultimately you are left with no mangoes. Your grandmother told you that the result is same for natural resources too. She is right because?

2436.

Your grandmother gives you lot of mangoes and asked you not to eat all alone but also to distribute it to your siblings and cousins. With every person, the number of mangoes you have is decreasing and ultimately you are left with no mangoes. Your grandmother told you that the result is same for natural resources too. She is right because?

Answer»

Your grandmother gives you lot of mangoes and asked you not to eat all alone but also to distribute it to your siblings and cousins. With every person, the number of mangoes you have is decreasing and ultimately you are left with no mangoes.

Your grandmother told you that the result is same for natural resources too. She is right because?

Discussion

2437.	Is fire 🔥 living or nonliving
Answer» Is fire 🔥 living or nonliving

Discussion

2438.	What is homogenous and hetrogenous medium of light ?
Answer» What is homogenous and hetrogenous medium of light ?

Discussion

2439.	Write about the properties and uses of the hardest natural material?
Answer» Write about the properties and uses of the hardest natural material?

Discussion

2440.	Can sedimentation and decantation be used to separate a mixture of salt and water ?
Answer» Can sedimentation and decantation be used to separate a mixture of salt and water ?

Discussion

2441.	The Earth is surrounded by a thick layer of air called the ___________.
Answer» The Earth is surrounded by a thick layer of air called the ___________.

Discussion

2442.	In preparing tea, the need to filter tea leaves from tea is ___ .
Answer» In preparing tea, the need to filter tea leaves from tea is ___ .

Discussion

2443.	Which form of mechanical energy is present in an object at maximum height?
Answer» Which form of mechanical energy is present in an object at maximum height?

Discussion

2444.	A solution in which no more solute can be dissolved is called:
Answer» A solution in which no more solute can be dissolved is called:

Discussion

2445.	Which of the following mixture cannot be separated by using a magnet?
Answer» Which of the following mixture cannot be separated by using a magnet?

Discussion

2446.	My mother used to prepare curd by mixing a spoon of curd In normal milk but according to byjus video it is other method.l would like to know which one is correct?
Answer» My mother used to prepare curd by mixing a spoon of curd In normal milk but according to byjus video it is other method.l would like to know which one is correct?

Discussion

2447.	The activity which show " air contains water vapour" can you please explain that....
Answer» The activity which show " air contains water vapour" can you please explain that....

Discussion

2448.	The atomicity of O is 2.
Answer» The atomicity of O is 2.

Discussion

2449.	Does salt dissolve in cold water?
Answer» Does salt dissolve in cold water?

Discussion

2450.	A change envolves energy. Explain giving an example
Answer» A change envolves energy. Explain giving an example

Discussion

Explore topic-wise InterviewSolutions in .

To separate grain seeds, Asian farmers beat the heads of the stalks on the ground or some hard surface. This practice is known as:

You are provided with solution of a substance X. How will you test whether it is a saturated or unsaturated? What happens when a hot saturated solution is allowed to cool?

What problem did the villagers of Hardas village face? What did they do to solve this problem?

Molecular formula of epsom is :

Which of the following are modern day fuels which do not leave any residue on burning?

Which among the following is the most abundant element in the Earth's crust?

Question 1 Which of the following statements is incorrect? a) All living things require air to breathe b) We can feel air but we cannot see it. c) Moving air makes it possible to fly a kite. d) Air is present everywhere but not in soil.

Rahul and Manvi, each was given a mixture of iron filings and sulphur powder. Rahul heated the mixture strongly and a new substance was formed. State the observation.

Which of the following kind of solution is not possible?

Why can't one see through fog?

PET is -

Glowing of a tungsten filament is a ____________ change (Physical or chemical)

Why is this line made for ocean water? "Water water everywhere, not any drop to drink.”

Question 17.2 Explain the following observations very briefly The arrow of weather cock points towards a particular direction at a particular moment.

What is the boiling point of water on the Kelvin scale?

The component of air which is used by green plants to make their food is

1. A process in which a solid directly changes into gaseous state ________. 2. The clear liquid obtained after filteration _________.

How are solutions classified based on the amount of solute given in the solution?

Question 2 In which of the following activities will you use the minimum amount of water? (a) Bathing (b) Brushing teeth (c) Washing clothes (d) Mopping a room

Why do we need separate mixtures ?Give examples to illustrate your answer

Common salt also known as sodium chloride is classified as:

Match the following: 1) Turnip a) Flower 2) Cauliflower b) Root 3) Spinach c) Seeds 4) Groundnut d) Leaves

In which of the following cases can we use sedimentation and decantation as a method for separation of the components?

Why do heels crack in winter? What effect the application of lubricant have on the heels?

Identify the irreversible change:

Least Polluting fuel for the vehicle is ___?

Name the metallic property due to which metal bells work

The reversed process of melting is:

Question 14 State whether the following statements are true or false. If false, correct them Silk is a plant fibre. Jute is obtained from the leaves of a plant. Weaving is a process of arranging two sets of yarns together. Cotton yarn on burning gives an odour similar to that of a burning paper.

which state of matter is fire?

Sulphur dioxide is dissolved in water. The solution is tested for acidic nature. What are the changes you will observe when you dip a litmus paper in the solution?

Which soil is best suitable for cotton cultivation ?

We can see partially through:

What is temperature

Is fire 🔥 living or nonliving

What is homogenous and hetrogenous medium of light ?

Write about the properties and uses of the hardest natural material?

Can sedimentation and decantation be used to separate a mixture of salt and water ?

The Earth is surrounded by a thick layer of air called the ___________.

In preparing tea, the need to filter tea leaves from tea is ___ .

Which form of mechanical energy is present in an object at maximum height?

A solution in which no more solute can be dissolved is called:

Which of the following mixture cannot be separated by using a magnet?

My mother used to prepare curd by mixing a spoon of curd In normal milk but according to byjus video it is other method.l would like to know which one is correct?

The activity which show " air contains water vapour" can you please explain that....

The atomicity of O is 2.

Does salt dissolve in cold water?

A change envolves energy. Explain giving an example

1. A process in which a solid directly changes into gaseous state . 2. The clear liquid obtained after filteration _.