5083 + Interview Questions in Chemistry Page 61 InterviewSolution

3001.	Which of the following statement(s) is/are wrong?
Answer» Which of the following statement(s) is/are wrong?

Discussion

3002.	what is the difference between soaps and detergent?
Answer» what is the difference between soaps and detergent?

Discussion

3003.	Classify the following processes into physical or chemical changes:(i) Beating of aluminium metal to make aluminium foil.(ii) Digestion of food.(iii) Cutting of a log of wood into pieces.(iv) Rusting of iron.
Answer» Classify the following processes into physical or chemical changes: (i) Beating of aluminium metal to make aluminium foil. (ii) Digestion of food. (iii) Cutting of a log of wood into pieces. (iv) Rusting of iron.

3003.

Classify the following processes into physical or chemical changes:(i) Beating of aluminium metal to make aluminium foil.(ii) Digestion of food.(iii) Cutting of a log of wood into pieces.(iv) Rusting of iron.

Answer»

Classify the following processes into physical or chemical changes:

(i) Beating of aluminium metal to make aluminium foil.

(ii) Digestion of food.

(iii) Cutting of a log of wood into pieces.

(iv) Rusting of iron.

Discussion

3004.	Which gas is released when zinc reacts with sulphuric acid?
Answer» Which gas is released when zinc reacts with sulphuric acid?

Discussion

3005.	Conversion of water into water vapour during evaporation is a
Answer» Conversion of water into water vapour during evaporation is a

Discussion

3006.	What are the cooling crystals in the toothpaste?
Answer» What are the cooling crystals in the toothpaste?

Discussion

3007.	________ is present in our stomach and helps in digestion of food.
Answer» ________ is present in our stomach and helps in digestion of food.

Discussion

3008.	a piece of ice of mass 40 gram is added to 200 gram of water at 50 degree Celsius calculate the final temperature of water when all the ice has melted. specific heat capacity of water is 4200 per gram per Kelvin and specific latent heat of fusion of ice is 336 into 10 power 3 joule per kilogram.
Answer» a piece of ice of mass 40 gram is added to 200 gram of water at 50 degree Celsius calculate the final temperature of water when all the ice has melted. specific heat capacity of water is 4200 per gram per Kelvin and specific latent heat of fusion of ice is 336 into 10 power 3 joule per kilogram.

Discussion

3009.	N identical drops form single drop. Is this exothermic or endothermic? . Do temperature of the single drop increase or decrease?
Answer» N identical drops form single drop. Is this exothermic or endothermic? . Do temperature of the single drop increase or decrease?

Discussion

3010.	1 To determine the unknown electrode potential where std hydrogen electrode should be connected,, anode or cathode
Answer» 1 To determine the unknown electrode potential where std hydrogen electrode should be connected,, anode or cathode

Discussion

3011.	Which radioactive element is used for cancer treatment?
Answer» Which radioactive element is used for cancer treatment?

Discussion

3012.	Which of the following has been causing the most damage to the Taj Mahal?
Answer» Which of the following has been causing the most damage to the Taj Mahal?

Discussion

3013.	Write some sources of wastewater.
Answer» Write some sources of wastewater.

Discussion

3014.	The solutions which show a pH in the range 0 to 7 are _________ in nature.
Answer» The solutions which show a pH in the range 0 to 7 are _________ in nature.

Discussion

3015.	Which of the following non-metal shows an exceptional physical property?
Answer» Which of the following non-metal shows an exceptional physical property?

Discussion

3016.	WhatHow can you say that salts may be acidic,basic and salts?
Answer» WhatHow can you say that salts may be acidic,basic and salts?

Discussion

3017.	Match the following: 1Molecular formula of waterA18 amu2Chemical name of waterBOceans3Molecular mass of waterCH2O4Large water bodiesDDihydrogen monoxide
Answer» Match the following: $\begin{matrix} 1 & M o l e c u l a r f o r m u l a o f w a t e r & A & 18 a m u 2 & C h e m i c a l n a m e o f w a t e r & B & O c e a n s 3 & M o l e c u l a r m a s s o f w a t e r & C & H_{2} O 4 & L a r g e w a t e r b o d i e s & D & D i h y d r o g e n m o n o x i d e \end{matrix}$

3017.

Match the following: 1Molecular formula of waterA18 amu2Chemical name of waterBOceans3Molecular mass of waterCH2O4Large water bodiesDDihydrogen monoxide

Answer»

Match the following:

$\begin{matrix} 1 & M o l e c u l a r f o r m u l a o f w a t e r & A & 18 a m u 2 & C h e m i c a l n a m e o f w a t e r & B & O c e a n s 3 & M o l e c u l a r m a s s o f w a t e r & C & H_{2} O 4 & L a r g e w a t e r b o d i e s & D & D i h y d r o g e n m o n o x i d e \end{matrix}$

Discussion

3018.	How can the environment be protected?
Answer» How can the environment be protected?

Discussion

3019.	How to balance a chemical equation?
Answer» How to balance a chemical equation?

Discussion

3020.	What is the meaning of the following proverb? Be cruel to be kind.
Answer» What is the meaning of the following proverb? Be cruel to be kind.

3020.

What is the meaning of the following proverb? Be cruel to be kind.

Answer»

What is the meaning of the following proverb?

Be cruel to be kind.

Discussion

3021.	Which of the following elements are "Micro-nutrients"?
Answer» Which of the following elements are "Micro-nutrients"?

Discussion

3022.	What type of change is involved in melting of copper metal?
Answer» What type of change is involved in melting of copper metal?

Discussion

3023.	The part of the body of an aeroplane that provides lift is ___.
Answer» The part of the body of an aeroplane that provides lift is ___.

Discussion

3024.	In case of an ant bite which of the following should be applied to the affected area to get relief?
Answer» In case of an ant bite which of the following should be applied to the affected area to get relief?

Discussion

3025.	Zeolites are chemically
Answer» Zeolites are chemically

Discussion

3026.	Which are the molecules of Nitrogen?
Answer» Which are the molecules of Nitrogen?

Discussion

3027.	From where actually light comes ? Or what exactly light is ?
Answer» From where actually light comes ? Or what exactly light is ?

Discussion

3028.	Carbon dioxide is a ___ .
Answer» Carbon dioxide is a ___ .

Discussion

3029.	What is the information given by the formula of silver chloride, Agcl?
Answer» What is the information given by the formula of silver chloride, Agcl?

Discussion

3030.	If energy is always conserved in a chemical or physical process, then why is there an energy crisis?
Answer» If energy is always conserved in a chemical or physical process, then why is there an energy crisis?

Discussion

3031.	What is a neutralization reaction?
Answer» What is a neutralization reaction?

Discussion

3032.	Which of these is a physical property of coke?
Answer» Which of these is a physical property of coke?

Discussion

3033.	An open drain system is not a breeding place for which of the following?
Answer» An open drain system is not a breeding place for which of the following?

Discussion

3034.	In photosynthesis, the light energy (from sun) is converted to chemical energy that can be later released to fuel the organism's activities. This is an example of ________________ reaction.
Answer» In photosynthesis, the light energy (from sun) is converted to chemical energy that can be later released to fuel the organism's activities. This is an example of ________________ reaction.

Discussion

3035.	When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is:
Answer» When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is:

Discussion

3036.	Definition of acid.
Answer» Definition of acid.

Discussion

3037.	Differentiate between natural and man-made fibres with the help of an example. [2 MARKS]
Answer» Differentiate between natural and man-made fibres with the help of an example. [2 MARKS]

Discussion

3038.	Which of the following are uses of clean water? 1)Cooking 2)Drinking 3)Washing 4)Driving
Answer» Which of the following are uses of clean water? 1)Cooking 2)Drinking 3)Washing 4)Driving

3038.

Which of the following are uses of clean water? 1)Cooking 2)Drinking 3)Washing 4)Driving

Answer»

Which of the following are uses of clean water?

1)Cooking

2)Drinking

3)Washing

4)Driving

Discussion

3039.	Which of the following is not a necessary requirement for rusting?
Answer» Which of the following is not a necessary requirement for rusting?

Discussion

3040.	Bholu took some top soil and mixed it with lots of water in a glass. He then let it settle for a while. He found that many layers were formed. Starting from the bottom of the glass, choose the option which gives the correct sequence of soil layers.
Answer» Bholu took some top soil and mixed it with lots of water in a glass. He then let it settle for a while. He found that many layers were formed. Starting from the bottom of the glass, choose the option which gives the correct sequence of soil layers.

Discussion

3041.	If there is no proper management of the environment happening, what will be the possible outcome?
Answer» If there is no proper management of the environment happening, what will be the possible outcome?

Discussion

3042.	Arrange the following steps occurring in a water treatment plant in the way they occur. Filtration, Coagulation, Chlorination, Aeration.
Answer» Arrange the following steps occurring in a water treatment plant in the way they occur. Filtration, Coagulation, Chlorination, Aeration.

3042.

Arrange the following steps occurring in a water treatment plant in the way they occur. Filtration, Coagulation, Chlorination, Aeration.

Answer»

Arrange the following steps occurring in a water treatment plant in the way they occur.

Filtration, Coagulation, Chlorination, Aeration.

Discussion

3043.	Can you name the various breeds of sheep bred in India and where? What are the breeds known for? [3 MARKS]
Answer» Can you name the various breeds of sheep bred in India and where? What are the breeds known for? [3 MARKS]

Discussion

3044.	Is distilled water acidic, basic or neutral?
Answer» Is distilled water acidic, basic or neutral?

Discussion

3045.	A change of state from one form to other is a
Answer» A change of state from one form to other is a

Discussion

3046.	Cream can be separated from milk using the centrifugal method because:
Answer» Cream can be separated from milk using the centrifugal method because:

Discussion

3047.	Arvind tried a mischief and placed a hot bottle in cold water. The bottle cracked immediately. Is there any change? If so, is it chemical?
Answer» Arvind tried a mischief and placed a hot bottle in cold water. The bottle cracked immediately. Is there any change? If so, is it chemical?

Discussion

3048.	Arrange the following options into correct pairs and accordingly choose the correct option: i.Sandy soila.Mixture of large and small soil particles along with siltii.Clayey soilb.Large soil particles,lots of air spacesiii.Loamy soilc.Small soil particles,pack tightly together
Answer» Arrange the following options into correct pairs and accordingly choose the correct option: $\begin{matrix} i . & S a n d y s o i l & a . & M i x t u r e o f l a r g e a n d s m a l l s o i l p a r t i c l e s a l o n g w i t h s i l t i i . & C l a y e y s o i l & b . & L a r g e s o i l p a r t i c l e s, l o t s o f a i r s p a c e s i i i . & L o a m y s o i l & c . & S m a l l s o i l p a r t i c l e s, p a c k t i g h t l y t o g e t h e r \end{matrix}$

Discussion

3049.	What is a chemical change?
Answer» What is a chemical change?

Discussion

3050.	What is a radical?
Answer» What is a radical?

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following statement(s) is/are wrong?

what is the difference between soaps and detergent?

Classify the following processes into physical or chemical changes:(i) Beating of aluminium metal to make aluminium foil.(ii) Digestion of food.(iii) Cutting of a log of wood into pieces.(iv) Rusting of iron.

Which gas is released when zinc reacts with sulphuric acid?

Conversion of water into water vapour during evaporation is a

What are the cooling crystals in the toothpaste?

________ is present in our stomach and helps in digestion of food.

a piece of ice of mass 40 gram is added to 200 gram of water at 50 degree Celsius calculate the final temperature of water when all the ice has melted. specific heat capacity of water is 4200 per gram per Kelvin and specific latent heat of fusion of ice is 336 into 10 power 3 joule per kilogram.

N identical drops form single drop. Is this exothermic or endothermic? . Do temperature of the single drop increase or decrease?

1 To determine the unknown electrode potential where std hydrogen electrode should be connected,, anode or cathode

Which radioactive element is used for cancer treatment?

Which of the following has been causing the most damage to the Taj Mahal?

Write some sources of wastewater.

The solutions which show a pH in the range 0 to 7 are _________ in nature.

Which of the following non-metal shows an exceptional physical property?

WhatHow can you say that salts may be acidic,basic and salts?

Match the following: 1Molecular formula of waterA18 amu2Chemical name of waterBOceans3Molecular mass of waterCH2O4Large water bodiesDDihydrogen monoxide

How can the environment be protected?

How to balance a chemical equation?

What is the meaning of the following proverb? Be cruel to be kind.

Which of the following elements are "Micro-nutrients"?

What type of change is involved in melting of copper metal?

The part of the body of an aeroplane that provides lift is ___.

In case of an ant bite which of the following should be applied to the affected area to get relief?

Zeolites are chemically

Which are the molecules of Nitrogen?

From where actually light comes ? Or what exactly light is ?

Carbon dioxide is a ___ .

What is the information given by the formula of silver chloride, Agcl?

If energy is always conserved in a chemical or physical process, then why is there an energy crisis?

What is a neutralization reaction?

Which of these is a physical property of coke?

An open drain system is not a breeding place for which of the following?

In photosynthesis, the light energy (from sun) is converted to chemical energy that can be later released to fuel the organism's activities. This is an example of ________________ reaction.

When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is:

Definition of acid.

Differentiate between natural and man-made fibres with the help of an example. [2 MARKS]

Which of the following are uses of clean water? 1)Cooking 2)Drinking 3)Washing 4)Driving

Which of the following is not a necessary requirement for rusting?

Bholu took some top soil and mixed it with lots of water in a glass. He then let it settle for a while. He found that many layers were formed. Starting from the bottom of the glass, choose the option which gives the correct sequence of soil layers.

If there is no proper management of the environment happening, what will be the possible outcome?

Arrange the following steps occurring in a water treatment plant in the way they occur. Filtration, Coagulation, Chlorination, Aeration.

Can you name the various breeds of sheep bred in India and where? What are the breeds known for? [3 MARKS]

Is distilled water acidic, basic or neutral?

A change of state from one form to other is a

Cream can be separated from milk using the centrifugal method because:

Arvind tried a mischief and placed a hot bottle in cold water. The bottle cracked immediately. Is there any change? If so, is it chemical?

Arrange the following options into correct pairs and accordingly choose the correct option: i.Sandy soila.Mixture of large and small soil particles along with siltii.Clayey soilb.Large soil particles,lots of air spacesiii.Loamy soilc.Small soil particles,pack tightly together

What is a chemical change?

What is a radical?