3275 + Interview Questions in Chemistry Page 3 InterviewSolution

101.	Question 13.4 A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements. Air, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders. Mountaineers carry oxygen ___ with them, while climbing high mountains.
Answer» Question 13.4 A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements. Air, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders. Mountaineers carry oxygen ___ with them, while climbing high mountains.

101.

Question 13.4 A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements. Air, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders. Mountaineers carry oxygen ___ with them, while climbing high mountains.

Answer»

Question 13.4

A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements.

Air, oxygen, wind, water vapour, mixture, combination,
direction, road, bottles, cylinders.

Mountaineers carry oxygen ___ with them, while climbing high mountains.

102.	Who is the speaker in the poem?
Answer» Who is the speaker in the poem?

Discussion

103.	Define spinning, weaving and knitting. [3 MARKS]
Answer» Define spinning, weaving and knitting. [3 MARKS]

Discussion

104.	John was preparing tea. He added tea leaves and sugar in the water then he observed that sugar dissolved in water but the tea leaves did not. Looking at this situation we can classify tea leaves and sugar by which property?
Answer» John was preparing tea. He added tea leaves and sugar in the water then he observed that sugar dissolved in water but the tea leaves did not. Looking at this situation we can classify tea leaves and sugar by which property?

Discussion

105.	A piece of wood has the following dimensions: 1 m by 2 m by 3 m and 2 kg mass. What is the density of wood? Would the wood float in water? (dwater = 1000 Kg/m3)
Answer» A piece of wood has the following dimensions: 1 m by 2 m by 3 m and 2 kg mass. What is the density of wood? Would the wood float in water? ( $d_{w a t e r}$ = 1000 $K g / m^{3}$ )

Discussion

106.	What advantages does cotton have over synthetic cloth?
Answer» What advantages does cotton have over synthetic cloth?

Discussion

107.	The method that is used to obtain pure salt from impure salt is ___ .
Answer» The method that is used to obtain pure salt from impure salt is ___ .

Discussion

108.	Crystal field stabilization energy for high spin d4 octahedral complex is
Answer» Crystal field stabilization energy for high spin d4 octahedral complex is

Discussion

109.	What is the value of 'k'in water
Answer» What is the value of 'k'in water

Discussion

110.	what is banana bonding?
Answer» what is banana bonding?

Discussion

111.	After some days he went for a trip to Varanasi where he saw something he has never seen except in Televisions. While sitting on the stairs of Ghats of the River Ganges he thought that there must be other sources of water too. Which of the following do you think are also the sources of usable water except rivers? 1. Lake 2. Ocean 3. Sea 4. Pond
Answer» After some days he went for a trip to Varanasi where he saw something he has never seen except in Televisions. While sitting on the stairs of Ghats of the River Ganges he thought that there must be other sources of water too. Which of the following do you think are also the sources of usable water except rivers? 1. Lake 2. Ocean 3. Sea 4. Pond

Discussion

112.	(i) What is meant by conservation of water? Suggest three methods to conserve water.(ii) What is rainwater harvesting? Describe the method of rainwater harvesting.
Answer» (i) What is meant by conservation of water? Suggest three methods to conserve water. (ii) What is rainwater harvesting? Describe the method of rainwater harvesting.

112.

(i) What is meant by conservation of water? Suggest three methods to conserve water.(ii) What is rainwater harvesting? Describe the method of rainwater harvesting.

Answer»

(i) What is meant by conservation of water? Suggest three methods to conserve water.

(ii) What is rainwater harvesting? Describe the method of rainwater harvesting.

Discussion

113.	Question 4(a) Some of the gases are easily soluble in water. True or False?(b) Name of gas that is easily soluble in water (HINT: this gas is essential for breathing).
Answer» Question 4 (a) Some of the gases are easily soluble in water. True or False? (b) Name of gas that is easily soluble in water (HINT: this gas is essential for breathing).

113.

Question 4(a) Some of the gases are easily soluble in water. True or False?(b) Name of gas that is easily soluble in water (HINT: this gas is essential for breathing).

Answer»

Question 4

(a) Some of the gases are easily soluble in water. True or False?

(b) Name of gas that is easily soluble in water (HINT: this gas is essential for breathing).

Discussion

114.	How builders make soaps act more rapidly?
Answer» How builders make soaps act more rapidly?

Discussion

115.	Question 05 While doing an activity in class, the teacher asked Paheli to handover a translucent material. Which among the following material will Paheli pick and give her teacher? (a) Glass tumbler (b) Mirror (c) Muslin cloth (d) Aluminium foil
Answer» Question 05 While doing an activity in class, the teacher asked Paheli to handover a translucent material. Which among the following material will Paheli pick and give her teacher? (a) Glass tumbler (b) Mirror (c) Muslin cloth (d) Aluminium foil

115.

Question 05 While doing an activity in class, the teacher asked Paheli to handover a translucent material. Which among the following material will Paheli pick and give her teacher? (a) Glass tumbler (b) Mirror (c) Muslin cloth (d) Aluminium foil

Answer»

Question 05

While doing an activity in class, the teacher asked Paheli to handover a translucent material. Which among the following material will Paheli pick and give her teacher?

(a) Glass tumbler

(b) Mirror

(c) Muslin cloth

(d) Aluminium foil

Discussion

116.	What is +H effect
Answer» What is +H effect

Discussion

117.	How to know physical state of a substance or compound
Answer» How to know physical state of a substance or compound

Discussion

118.	36 For an ideal solution with pA > pB ,which of the following is true?(a)(xA)liquid=(xB)Vapor(b)(xA)liquid>(xB)Vapor(c)(xA)liquid<(xB)Vapor(d)(xA)liquidand(xB)Vapordonotbearanyrelationshipwitheachother
Answer» 36 For an ideal solution with $p_{A}$ > $p_{B}$ ,which of the following is true? $(a) {(x_{A})}_{l i q u i d} = {(x_{B})}_{V a p o r}$ $(b) {(x_{A})}_{l i q u i d} > {(x_{B})}_{V a p o r}$ $(c) {(x_{A})}_{l i q u i d} < {(x_{B})}_{V a p o r}$ $(d) {(x_{A})}_{l i q u i d} a n d {(x_{B})}_{V a p o r} d o n o t b e a r a n y r e l a t i o n s h i p w i t h e a c h o t h e r$

118.

36 For an ideal solution with pA > pB ,which of the following is true?(a)(xA)liquid=(xB)Vapor(b)(xA)liquid>(xB)Vapor(c)(xA)liquid<(xB)Vapor(d)(xA)liquidand(xB)Vapordonotbearanyrelationshipwitheachother

Answer»

36 For an ideal solution with $p_{A}$ > $p_{B}$ ,which of the following is true?

$(a) {(x_{A})}_{l i q u i d} = {(x_{B})}_{V a p o r}$

$(b) {(x_{A})}_{l i q u i d} > {(x_{B})}_{V a p o r}$

$(c) {(x_{A})}_{l i q u i d} < {(x_{B})}_{V a p o r}$

$(d) {(x_{A})}_{l i q u i d} a n d {(x_{B})}_{V a p o r} d o n o t b e a r a n y r e l a t i o n s h i p w i t h e a c h o t h e r$

Discussion

119.	Which of these is the leading producer of wool today?(a) Germany(b) Australia(c) New Zealand(d) USA
Answer» Which of these is the leading producer of wool today? (a) Germany (b) Australia (c) New Zealand (d) USA

Discussion

120.	Some changes are given below. (a) Freezing of water(b) Melting of ice(c) Boiling of waterAre these considered as physical changes? If yes, give the reason.
Answer» Some changes are given below. (a) Freezing of water (b) Melting of ice (c) Boiling of water Are these considered as physical changes? If yes, give the reason.

120.

Some changes are given below. (a) Freezing of water(b) Melting of ice(c) Boiling of waterAre these considered as physical changes? If yes, give the reason.

Answer»

Some changes are given below.

(a) Freezing of water

(b) Melting of ice

(c) Boiling of water

Are these considered as physical changes? If yes, give the reason.

Discussion

121.	Do you agree with the statement 'all physical changes are reversible'? If not give the correct statement.
Answer» Do you agree with the statement 'all physical changes are reversible'? If not give the correct statement.

Discussion

122.	ax+bx-ay-by
Answer» ax+bx-ay-by

Discussion

123.	___________ of iron is irreversible change
Answer» ___________ of iron is irreversible change

Discussion

124.	which of the following gas(es) will have high rate of diffusion than carbon monoxide? (A) Carbon dioxide (B) Ammonia (C) Hydrochloric acid (D) Argon
Answer» which of the following gas(es) will have high rate of diffusion than carbon monoxide? (A) Carbon dioxide (B) Ammonia (C) Hydrochloric acid (D) Argon

Discussion

125.	A carnot sink is at T with efficiency a . we increased source temperature such that efficiency increased to b. Find the change in soucre temperature(x) in terms of (i)T sink , a , b(ii)T of soucre initially , a , b
Answer» A carnot sink is at T with efficiency a . we increased source temperature such that efficiency increased to b. Find the change in soucre temperature(x) in terms of (i)T sink , a , b (ii)T of soucre initially , a , b

Discussion

126.	Why we should add ice after after dissolve sugar in the lemonade why not befor
Answer» Why we should add ice after after dissolve sugar in the lemonade why not befor

Discussion

127.	does acetone and benzene together show a positive deviation they increase vapour pressure and decrease the boiling point?
Answer» does acetone and benzene together show a positive deviation they increase vapour pressure and decrease the boiling point?

Discussion

128.	What is the method called in which we make yarn from fibre?
Answer» What is the method called in which we make yarn from fibre?

Discussion

129.	The melting point of the solid state of a substance is 40∘ C. The freezing point of the liquid state of the same substance will be:
Answer» The melting point of the solid state of a substance is $40^{\circ} C$ . The freezing point of the liquid state of the same substance will be:

Discussion

130.	What does the following figure show?
Answer» What does the following figure show?

130.

What does the following figure show?

Answer»

What does the following figure show?

Discussion

131.	Explain the process of making fabric out of fibre.
Answer» Explain the process of making fabric out of fibre.

Discussion

132.	An open U tube contains mercury when 13.6 of the water is poured into one of the arms of the tube then the Mercury rises in the other from its initial level is
Answer» An open U tube contains mercury when 13.6 of the water is poured into one of the arms of the tube then the Mercury rises in the other from its initial level is

Discussion

133.	Magnets have many applications in our daily lives. Which of the following is an example of using a magnet to separate a mixture?
Answer» Magnets have many applications in our daily lives. Which of the following is an example of using a magnet to separate a mixture?

Discussion

134.	Water _____ on freezing.
Answer» Water _____ on freezing.

Discussion

135.	What are transculent material?
Answer» What are transculent material?

Discussion

136.	The modulus of elasticity (E) of concrete is given by
Answer» The modulus of elasticity (E) of concrete is given by

Discussion

137.	How is jute fibre obtained from the jute plant?
Answer» How is jute fibre obtained from the jute plant?

Discussion

138.	why the solution should not be heated to dryness to form crystals ?
Answer» why the solution should not be heated to dryness to form crystals ?

Discussion

139.	What is dimensnol of line
Answer» What is dimensnol of line

Discussion

140.	The method of ___ is used in the process of preparing cottage cheese in our homes.
Answer» The method of ___ is used in the process of preparing cottage cheese in our homes.

Discussion

141.	Addition of toxic substances to water through different sources is called:-
Answer» Addition of toxic substances to water through different sources is called:-

Discussion

142.	37.What is the difference between distillation and evaporation and boiling
Answer» 37.What is the difference between distillation and evaporation and boiling

Discussion

143.	Name the separation method as seen in picture:
Answer» Name the separation method as seen in picture:

143.

Name the separation method as seen in picture:

Answer»

Name the separation method as seen in picture:

Discussion

144.	Name any two crops for the following.1. Can be stored for longer duration2. Can be stored for shorter duration
Answer» Name any two crops for the following. 1. Can be stored for longer duration 2. Can be stored for shorter duration

Discussion

145.	5. Why atomic no 24 and 29 have different electronic configuration
Answer» 5. Why atomic no 24 and 29 have different electronic configuration

Discussion

146.	Rohit took with him some nylon ropes when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute?
Answer» Rohit took with him some nylon ropes when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute?

Discussion

147.	d (cos30°)/dtheta
Answer» d (cos30°)/dtheta

Discussion

148.	A body’s weight is 600 N. If g = 10 ms-2, the body’s weight in kgf is
Answer» A body’s weight is 600 N. If g = 10 ms-2, the body’s weight in kgf is

Discussion

149.	Ph−C≡C−CH3Hg2+,H+−−−−−−→A 'A' is
Answer» $P h - C \equiv C - C H_{3} H g^{2 +}, H^{+} - ----- \to A$ 'A' is

Discussion

150.	Most of the substances we see around us are(a) pure elements.(b) pure compounds.(c) impure elements.(d) mixtures.
Answer» Most of the substances we see around us are (a) pure elements. (b) pure compounds. (c) impure elements. (d) mixtures.

Discussion

Explore topic-wise InterviewSolutions in .

Question 13.4 A list of words is given in a box. Use appropriate words to fill up the blanks in the following statements. Air, oxygen, wind, water vapour, mixture, combination, direction, road, bottles, cylinders. Mountaineers carry oxygen ___ with them, while climbing high mountains.

Who is the speaker in the poem?

Define spinning, weaving and knitting. [3 MARKS]

John was preparing tea. He added tea leaves and sugar in the water then he observed that sugar dissolved in water but the tea leaves did not. Looking at this situation we can classify tea leaves and sugar by which property?

A piece of wood has the following dimensions: 1 m by 2 m by 3 m and 2 kg mass. What is the density of wood? Would the wood float in water? (dwater = 1000 Kg/m3)

What advantages does cotton have over synthetic cloth?

The method that is used to obtain pure salt from impure salt is ___ .

Crystal field stabilization energy for high spin d4 octahedral complex is

What is the value of 'k'in water

what is banana bonding?

(i) What is meant by conservation of water? Suggest three methods to conserve water.(ii) What is rainwater harvesting? Describe the method of rainwater harvesting.

Question 4(a) Some of the gases are easily soluble in water. True or False?(b) Name of gas that is easily soluble in water (HINT: this gas is essential for breathing).

How builders make soaps act more rapidly?

Question 05 While doing an activity in class, the teacher asked Paheli to handover a translucent material. Which among the following material will Paheli pick and give her teacher? (a) Glass tumbler (b) Mirror (c) Muslin cloth (d) Aluminium foil

What is +H effect

How to know physical state of a substance or compound

36 For an ideal solution with pA &gt; pB ,which of the following is true?(a)(xA)liquid=(xB)Vapor(b)(xA)liquid&gt;(xB)Vapor(c)(xA)liquid&lt;(xB)Vapor(d)(xA)liquidand(xB)Vapordonotbearanyrelationshipwitheachother

Which of these is the leading producer of wool today?(a) Germany(b) Australia(c) New Zealand(d) USA

Some changes are given below. (a) Freezing of water(b) Melting of ice(c) Boiling of waterAre these considered as physical changes? If yes, give the reason.

Do you agree with the statement 'all physical changes are reversible'? If not give the correct statement.

ax+bx-ay-by

___________ of iron is irreversible change

which of the following gas(es) will have high rate of diffusion than carbon monoxide? (A) Carbon dioxide (B) Ammonia (C) Hydrochloric acid (D) Argon

A carnot sink is at T with efficiency a . we increased source temperature such that efficiency increased to b. Find the change in soucre temperature(x) in terms of (i)T sink , a , b(ii)T of soucre initially , a , b

Why we should add ice after after dissolve sugar in the lemonade why not befor

does acetone and benzene together show a positive deviation they increase vapour pressure and decrease the boiling point?

What is the method called in which we make yarn from fibre?

The melting point of the solid state of a substance is 40∘ C. The freezing point of the liquid state of the same substance will be:

What does the following figure show?

Explain the process of making fabric out of fibre.

An open U tube contains mercury when 13.6 of the water is poured into one of the arms of the tube then the Mercury rises in the other from its initial level is

Magnets have many applications in our daily lives. Which of the following is an example of using a magnet to separate a mixture?

Water _____ on freezing.

What are transculent material?

The modulus of elasticity (E) of concrete is given by

How is jute fibre obtained from the jute plant?

why the solution should not be heated to dryness to form crystals ?

What is dimensnol of line

The method of ___ is used in the process of preparing cottage cheese in our homes.

Addition of toxic substances to water through different sources is called:-

37.What is the difference between distillation and evaporation and boiling

Name the separation method as seen in picture:

Name any two crops for the following.1. Can be stored for longer duration2. Can be stored for shorter duration

5. Why atomic no 24 and 29 have different electronic configuration

Rohit took with him some nylon ropes when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute?​

d (cos30°)/dtheta

A body’s weight is 600 N. If g = 10 ms-2, the body’s weight in kgf is

Ph−C≡C−CH3Hg2+,H+−−−−−−→A 'A' is

Most of the substances we see around us are(a) pure elements.(b) pure compounds.(c) impure elements.(d) mixtures.

36 For an ideal solution with pA > pB ,which of the following is true?(a)(xA)liquid=(xB)Vapor(b)(xA)liquid>(xB)Vapor(c)(xA)liquid<(xB)Vapor(d)(xA)liquidand(xB)Vapordonotbearanyrelationshipwitheachother

Rohit took with him some nylon ropes when he was going for rock climbing. Can you tell why he selected nylon ropes instead of ropes made of cotton or jute?