3275 + Interview Questions in Chemistry Page 38 InterviewSolution

1851.	Question 5The material similar to silk in appearance is(a) Nylon(b) Rayon(c) Polyester(d) Terylene
Answer» Question 5 The material similar to silk in appearance is (a) Nylon (b) Rayon (c) Polyester (d) Terylene

Discussion

1852.	8. What is principles of floation
Answer» 8. What is principles of floation

Discussion

1853.	We can separate wax colours with bunch of sketch colours by sorting it on the basis of which of the following property?
Answer» We can separate wax colours with bunch of sketch colours by sorting it on the basis of which of the following property?

Discussion

1854.	The following image shows ___ change.
Answer» The following image shows ___ change.

Discussion

1855.	The process of conversion of liquid to vapour is called__________.
Answer» The process of conversion of liquid to vapour is called__________.

Discussion

1856.	___ type of material allows light to pass completely through it.
Answer» ___ type of material allows light to pass completely through it.

Discussion

1857.	How will you show that air is dissolved in water?
Answer» How will you show that air is dissolved in water?

Discussion

1858.	Which of the following is/are material(s)?
Answer» Which of the following is/are material(s)?

Discussion

1859.	What is the single most important cause of air pollution?
Answer» What is the single most important cause of air pollution?

Discussion

1860.	Which among the following methods is most suitable to separate cream from milk?
Answer» Which among the following methods is most suitable to separate cream from milk?

Discussion

1861.	The major component of natural gas is ___ .
Answer» The major component of natural gas is ___ .

Discussion

1862.	Which method is used to obtain a pure liquid from a solution?(a) distillation(b) condensation(c) filtration(d) loading
Answer» Which method is used to obtain a pure liquid from a solution? (a) distillation (b) condensation (c) filtration (d) loading

Discussion

1863.	carpenter queer plane puzzled puppet took shape amazed finished stiff decided
Answer» carpenter queer plane puzzled puppet took shape amazed finished stiff decided

Discussion

1864.	Which of the following technique is not used to separate sand-salt mixture?
Answer» Which of the following technique is not used to separate sand-salt mixture?

Discussion

1865.	Churning out butter from milk is process of ___
Answer» Churning out butter from milk is process of ___

Discussion

1866.	Which soil among the following would you expect to have the highest percolation rate?
Answer» Which soil among the following would you expect to have the highest percolation rate?

Discussion

1867.	Identify the process 'X' and 'Y' in the below image from the given options.
Answer» Identify the process 'X' and 'Y' in the below image from the given options.

1867.

Identify the process 'X' and 'Y' in the below image from the given options.

Answer»

Identify the process 'X' and 'Y' in the below image from the given options.

Discussion

1868.	To grow best, cotton requires ___________ rainfall.
Answer» To grow best, cotton requires ___________ rainfall.

Discussion

1869.	A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?
Answer» A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?

Discussion

1870.	Choose the correct option for the underlined phrases. The ballroom had been decked with the most exquisite flowers and candles.
Answer» Choose the correct option for the underlined phrases. The ballroom had been decked with the most exquisite flowers and candles.

1870.

Choose the correct option for the underlined phrases. The ballroom had been decked with the most exquisite flowers and candles.

Answer»

Choose the correct option for the underlined phrases.

The ballroom had been decked with the most exquisite flowers and candles.

Discussion

1871.	2.76g of silver carbonate on being heated yields a residue weighing?
Answer» 2.76g of silver carbonate on being heated yields a residue weighing?

Discussion

1872.	The amount of water vapor present in the air is known as___
Answer» The amount of water vapor present in the air is known as___

Discussion

1873.	Name two substances that are soluble and two that are not soluble in water.
Answer» Name two substances that are soluble and two that are not soluble in water.

Discussion

1874.	What is normal reaction?
Answer» What is normal reaction?

Discussion

1875.	Discuss in brief that the state of a substance can be changed by chnage in temperature .
Answer» Discuss in brief that the state of a substance can be changed by chnage in temperature .

Discussion

1876.	x*2-15x+36 is equal to ?
Answer» x*2-15x+36 is equal to ?

Discussion

1877.	Formation of curd from milk is a very common change. In how many ways can we classify it ? Please give me a good answer for this
Answer» Formation of curd from milk is a very common change. In how many ways can we classify it ? Please give me a good answer for this

Discussion

1878.	What is rayon
Answer» What is rayon

Discussion

1879.	Question 13In the given Fig. out of the positions A, B, C and D which will indicate the position of the sun? Draw the sun at the appropriate position.
Answer» Question 13 In the given Fig. out of the positions A, B, C and D which will indicate the position of the sun? Draw the sun at the appropriate position.

Discussion

1880.	Metals have lustre (shine). Give reason why some metal articles become dull and lose their shine after sometime.
Answer» Metals have lustre (shine). Give reason why some metal articles become dull and lose their shine after sometime.

Discussion

1881.	Why iron nail sink in water and ship floats in water?
Answer» Why iron nail sink in water and ship floats in water?

Discussion

1882.	Pick the odd one out.
Answer» Pick the odd one out.

Discussion

1883.	CASE1: Read the passage given below and answer the following question.The solution which obeys Raoult’s law over the entire range of concentration are known as ideal solutions. The solution which does not obey Raoults law over the entire range of concentration, then it is called non-ideal solution. The vapour pressure of such as a solution is either higher or lower than that predicted by Raoult’s law. If it is higher, the solution exhibits positive deviation and if it is lower, it exhibits negative deviation from Raoult’s law.Some liquids on mixing, form azeotropes which are binary mixture having the same composition in liquid and vapour phase. There are two types of azeotropes. Minimum boiling azeotropes and maximum boiling azeotropes.Which of the following solutions show negative deviation from Raoult’s law?[0.77 Mark]
Answer» CASE1: Read the passage given below and answer the following question. The solution which obeys Raoult’s law over the entire range of concentration are known as ideal solutions. The solution which does not obey Raoults law over the entire range of concentration, then it is called non-ideal solution. The vapour pressure of such as a solution is either higher or lower than that predicted by Raoult’s law. If it is higher, the solution exhibits positive deviation and if it is lower, it exhibits negative deviation from Raoult’s law. Some liquids on mixing, form azeotropes which are binary mixture having the same composition in liquid and vapour phase. There are two types of azeotropes. Minimum boiling azeotropes and maximum boiling azeotropes. Which of the following solutions show negative deviation from Raoult’s law? [0.77 Mark]

Discussion

1884.	The process of settling down of particles of a solid in a liquid is(a) decantation.(b) sublimation.(c) sedimentation.(d) filtration.
Answer» The process of settling down of particles of a solid in a liquid is (a) decantation. (b) sublimation. (c) sedimentation. (d) filtration.

Discussion

1885.	The water which is obtained from the atmosphere by precipitation and contains fewer salts and suspended particles is known as ___ .
Answer» The water which is obtained from the atmosphere by precipitation and contains fewer salts and suspended particles is known as ___ .

Discussion

1886.	In any situation, a change can be
Answer» In any situation, a change can be

Discussion

1887.	Smog is a combination of
Answer» Smog is a combination of

Discussion

1888.	What is coal gas? Mention its uses.
Answer» What is coal gas? Mention its uses.

Discussion

1889.	Donnez vos préférencew et dessinez - les.
Answer» Donnez vos préférencew et dessinez - les.

Discussion

1890.	Air becomes warmer as you go higher up. True or false?
Answer» Air becomes warmer as you go higher up. True or false?

Discussion

1891.	Explain the technique used for the process of rooftop rainwater harvesting.
Answer» Explain the technique used for the process of rooftop rainwater harvesting.

Discussion

1892.	Ragini bought an electric cell and her friend Supriya started asking her about the uses of it. Ragini told her that electric cell is a device which converts chemical energy into:
Answer» Ragini bought an electric cell and her friend Supriya started asking her about the uses of it. Ragini told her that electric cell is a device which converts chemical energy into:

Discussion

1893.	National Water Mission (NWM), Ministry of Jal Shakti has launched the “catch the rain, where it falls when it falls campaign. Which of the following ministry collaborate with the Ministry of Jal Shakti for the implementation of the scheme?
Answer» National Water Mission (NWM), Ministry of Jal Shakti has launched the “catch the rain, where it falls when it falls campaign. Which of the following ministry collaborate with the Ministry of Jal Shakti for the implementation of the scheme?

Discussion

1894.	Mention the various types of utensils used by people in the olden days.
Answer» Mention the various types of utensils used by people in the olden days.

Discussion

1895.	Why does Hot Water freezes faster than Cold Water?
Answer» Why does Hot Water freezes faster than Cold Water?

Discussion

1896.	Bergeron process is:
Answer» Bergeron process is:

Discussion

1897.	Which of the following is a physical and reversible change?(a) heating of iron and sulphur to form iron sulphide(b) melting of ice to form water(c) weathering of rocks(d) cooking of rice
Answer» Which of the following is a physical and reversible change? (a) heating of iron and sulphur to form iron sulphide (b) melting of ice to form water (c) weathering of rocks (d) cooking of rice

Discussion

1898.	what is full form of k2 cr2 o7 ?
Answer» what is full form of k2 cr2 o7 ?

Discussion

1899.

In what way are these musical instruments different from each other? Put them into three groups based on how they are played.Disclaimer: Kindly refer the textbook for the images. Instruments that you play with fingers String Instruments Instruments that you blow into

Answer» In what way are these musical instruments different from each other? Put them into three groups based on how they are played.

Disclaimer: Kindly refer the textbook for the images.

Instruments that you play with fingers	String Instruments	Instruments that you blow into

Discussion

1900.	Question 6Which of the following are physical changes?(i) Melting of iron metal(ii) Rusting of iron(iii) Bending of an iron rod(iv) Drawing a wire of iron metal(a) (i), (ii) and (iii)(b) (i), (ii) and (iv)(c) (i), (iii) and (iv)(d) (ii), (iii) and (iv)
Answer» Question 6 Which of the following are physical changes? (i) Melting of iron metal (ii) Rusting of iron (iii) Bending of an iron rod (iv) Drawing a wire of iron metal (a) (i), (ii) and (iii) (b) (i), (ii) and (iv) (c) (i), (iii) and (iv) (d) (ii), (iii) and (iv)

Discussion

Explore topic-wise InterviewSolutions in .

Question 5The material similar to silk in appearance is(a) Nylon(b) Rayon(c) Polyester(d) Terylene

8. What is principles of floation

We can separate wax colours with bunch of sketch colours by sorting it on the basis of which of the following property?

The following image shows ___ change.

The process of conversion of liquid to vapour is called__________.

___ type of material allows light to pass completely through it.

How will you show that air is dissolved in water?

Which of the following is/are material(s)?

What is the single most important cause of air pollution?

Which among the following methods is most suitable to separate cream from milk?

The major component of natural gas is ___ .

Which method is used to obtain a pure liquid from a solution?(a) distillation(b) condensation(c) filtration(d) loading

carpenter queer plane puzzled puppet took shape amazed finished stiff decided

Which of the following technique is not used to separate sand-salt mixture?

Churning out butter from milk is process of ___

Which soil among the following would you expect to have the highest percolation rate?

Identify the process 'X' and 'Y' in the below image from the given options.

To grow best, cotton requires ___________ rainfall.

A bag of cement lying in the open gets wet due to rain during the night. The next day the sun shines brightly. Do you think the changes, which have occurred in the cement, could be reversed?

Choose the correct option for the underlined phrases. The ballroom had been decked with the most exquisite flowers and candles.

2.76g of silver carbonate on being heated yields a residue weighing?

The amount of water vapor present in the air is known as___

Name two substances that are soluble and two that are not soluble in water.

What is normal reaction?

Discuss in brief that the state of a substance can be changed by chnage in temperature .

x*2-15x+36 is equal to ?

Formation of curd from milk is a very common change. In how many ways can we classify it ? Please give me a good answer for this

What is rayon

Question 13In the given Fig. out of the positions A, B, C and D which will indicate the position of the sun? Draw the sun at the appropriate position.

Metals have lustre (shine). Give reason why some metal articles become dull and lose their shine after sometime.

Why iron nail sink in water and ship floats in water?

Pick the odd one out.

The process of settling down of particles of a solid in a liquid is(a) decantation.(b) sublimation.(c) sedimentation.(d) filtration.

The water which is obtained from the atmosphere by precipitation and contains fewer salts and suspended particles is known as ___ .

In any situation, a change can be

Smog is a combination of

What is coal gas? Mention its uses.

Donnez vos préférencew et dessinez - les.

Air becomes warmer as you go higher up. True or false?

Explain the technique used for the process of rooftop rainwater harvesting.

Ragini bought an electric cell and her friend Supriya started asking her about the uses of it. Ragini told her that electric cell is a device which converts chemical energy into:

National Water Mission (NWM), Ministry of Jal Shakti has launched the “catch the rain, where it falls when it falls campaign. Which of the following ministry collaborate with the Ministry of Jal Shakti for the implementation of the scheme?

Mention the various types of utensils used by people in the olden days.

Why does Hot Water freezes faster than Cold Water?

Bergeron process is:

Which of the following is a physical and reversible change?(a) heating of iron and sulphur to form iron sulphide(b) melting of ice to form water(c) weathering of rocks(d) cooking of rice

what is full form of k2 cr2 o7 ?

In what way are these musical instruments different from each other? Put them into three groups based on how they are played.Disclaimer: Kindly refer the textbook for the images. Instruments that you play with fingers String Instruments Instruments that you blow into

Question 6Which of the following are physical changes?(i) Melting of iron metal(ii) Rusting of iron(iii) Bending of an iron rod(iv) Drawing a wire of iron metal(a) (i), (ii) and (iii)(b) (i), (ii) and (iv)(c) (i), (iii) and (iv)(d) (ii), (iii) and (iv)