5083 + Interview Questions in Chemistry Page 48 InterviewSolution

2351.	what is resonance condition and displacement current?
Answer» what is resonance condition and displacement current?

Discussion

2352.	Basophills get stained by basic dyes and not by acidic or neutral dyes , why?
Answer» Basophills get stained by basic dyes and not by acidic or neutral dyes , why?

Discussion

2353.	How are electrical impluse being generated by San in heart?. How are electrical impluse being generated by nerves
Answer» How are electrical impluse being generated by San in heart?. How are electrical impluse being generated by nerves

Discussion

2354.	What do you understand by 'Soil Profile'?
Answer» What do you understand by 'Soil Profile'?

2354.

What do you understand by 'Soil Profile'?

Answer»

What do you understand by 'Soil Profile'?

Discussion

2355.	43. What is stoichiometric coefficient of CA in the following reaction? CA + Al3+ = Ca2+ + Al
Answer» 43. What is stoichiometric coefficient of CA in the following reaction? CA + Al3+ = Ca2+ + Al

Discussion

2356.	The gas present in the atmosphere which is essential for respiration of plants is
Answer» The gas present in the atmosphere which is essential for respiration of plants is

Discussion

2357.	When iron reacts with copper sulphate, the colour of the solution changes from blue to ___.
Answer» When iron reacts with copper sulphate, the colour of the solution changes from blue to ___.

Discussion

2358.	CWC stands for________________.(a) Central Water Commission(b) Central Warehousing Commission(c) Central Warehousing Corporation(d) Central Water Corporation
Answer» CWC stands for________________. (a) Central Water Commission (b) Central Warehousing Commission (c) Central Warehousing Corporation (d) Central Water Corporation

2358.

CWC stands for________________.(a) Central Water Commission(b) Central Warehousing Commission(c) Central Warehousing Corporation(d) Central Water Corporation

Answer»

CWC stands for________________.

(a) Central Water Commission

(b) Central Warehousing Commission

(c) Central Warehousing Corporation

(d) Central Water Corporation

Discussion

2359.	what are the practical uses of photoelectric process?
Answer» what are the practical uses of photoelectric process?

Discussion

2360.	The decomposition of a compound A follows a first order rate law. If it takes 15 min for 20% of the inital compound to decompose, then calculate the value of rate constant:
Answer» The decomposition of a compound A follows a first order rate law. If it takes $15 m i n$ for $20 %$ of the inital compound to decompose, then calculate the value of rate constant:

Discussion

2361.	What is the symbol of manganese?
Answer» What is the symbol of manganese?

Discussion

2362.	Question 5.Classify the following changes into fast and slow changes: Explosion of a cracker, tooth decay, growth of a plant, fading of flowers, burning of cooking gas, taking x-ray photograph of a body part
Answer» Question 5. Classify the following changes into fast and slow changes: Explosion of a cracker, tooth decay, growth of a plant, fading of flowers, burning of cooking gas, taking x-ray photograph of a body part

2362.

Question 5.Classify the following changes into fast and slow changes: Explosion of a cracker, tooth decay, growth of a plant, fading of flowers, burning of cooking gas, taking x-ray photograph of a body part

Answer»

Question 5.

Classify the following changes into fast and slow changes:

Explosion of a cracker, tooth decay, growth of a plant, fading of flowers, burning of cooking gas, taking x-ray photograph of a body part

Discussion

2363.	Sodium is stored in kerosene because:
Answer» Sodium is stored in kerosene because:

Discussion

2364.	Some people close their nose while taking bitter medicines. Why do they do that?
Answer» Some people close their nose while taking bitter medicines. Why do they do that?

Discussion

2365.	An element X forms a compound XH3 with hydrogen. Another element Y forms a compound YX2 with X. Given that the valency of hydrogen is 1, what are the valencies of X and Y?
Answer» An element X forms a compound XH₃ with hydrogen. Another element Y forms a compound YX₂ with X. Given that the valency of hydrogen is 1, what are the valencies of X and Y?

Discussion

2366.	10.Why work done during isothermal reversible change is maximum
Answer» 10.Why work done during isothermal reversible change is maximum

Discussion

2367.	Three rods of same length and area of cross-section but of thermal conductivities K, 2K and 3K are connected in series in the same order. Free end of the first rod is at 0∘ C and free end of third rod is at 55∘ C. In steady state, temperature difference across the middle rod is
Answer» Three rods of same length and area of cross-section but of thermal conductivities $K, 2 K$ and $3 K$ are connected in series in the same order. Free end of the first rod is at $0^{\circ} C$ and free end of third rod is at $55^{\circ} C$ . In steady state, temperature difference across the middle rod is

Discussion

2368.	S.I. unit of Electrical conductivity of a conductor is --------------------
Answer» S.I. unit of Electrical conductivity of a conductor is --------------------

Discussion

2369.	A radioactive sample consists of two distinct species having equal number of atoms N0 each initially. The mean life of one species is T and of the other species is 6T. The decay products in both cases is stable. The total number of radioactive nuclei remaining at time 6T will be
Answer» A radioactive sample consists of two distinct species having equal number of atoms N0 each initially. The mean life of one species is T and of the other species is 6T. The decay products in both cases is stable. The total number of radioactive nuclei remaining at time 6T will be

Discussion

2370.	What does this line mean "precise set is accurate or non-concurrent ."?
Answer» What does this line mean "precise set is accurate or non-concurrent ."?

Discussion

2371.	Which of the following is/are decomposers?
Answer» Which of the following is/are decomposers?

Discussion

2372.	Define the followings:i. Rigidityii. Compressibilityiii. Fuidity
Answer» Define the followings: i. Rigidity ii. Compressibility iii. Fuidity

Discussion

2373.	What is decomposes?
Answer» What is decomposes?

Discussion

2374.	Fill in the following blanks with suitable words :At room temperature, the forces of attraction between the particles of solid substances are ____ than those which exist in the gaseous state.
Answer» Fill in the following blanks with suitable words : At room temperature, the forces of attraction between the particles of solid substances are ____ than those which exist in the gaseous state.

Discussion

2375.	The resistance of a conductivity cell containing 0.0001 M KCl solution at 298 K is 1500 Ω. What is the cell constant ( in cm−1) if conductivity of 0.0001 M KCl solution at 298 K is 0.146×10−3 S cm−1.
Answer» The resistance of a conductivity cell containing $0.0001 M K C l$ solution at $298 K$ is $1500$ $Ω$ . What is the cell constant ( in $c m^{- 1}$ ) if conductivity of $0.0001 M K C l$ solution at $298 K$ is $0.146 \times 10^{- 3} {S cm}^{- 1}$ .

Discussion

2376.	What is maximum multiplicity?
Answer» What is maximum multiplicity?

Discussion

2377.	Question 12 (a) Give reason why platinum, gold and silver are used to make jewellery?
Answer» Question 12 (a) Give reason why platinum, gold and silver are used to make jewellery?

Discussion

2378.	State whether the following is exothermic or endothermic reaction and give reaso- adding small amount of water is a bowl containing acid
Answer» State whether the following is exothermic or endothermic reaction and give reaso- adding small amount of water is a bowl containing acid

Discussion

2379.	What is Ionic bonding?
Answer» What is Ionic bonding?

Discussion

2380.	How does forest help in maintaining the balance of oxygen and carbon dioxide in the atmosphere? [5 MARKS]
Answer» How does forest help in maintaining the balance of oxygen and carbon dioxide in the atmosphere? [5 MARKS]

Discussion

2381.	List ten changes of occurring around you .classify them into physical and chemical changes .
Answer» List ten changes of occurring around you .classify them into physical and chemical changes .

Discussion

2382.	Which inorganic acid is produced in our stomach and helps in digestion? [3 MARKS]
Answer» Which inorganic acid is produced in our stomach and helps in digestion? [3 MARKS]

Discussion

2383.	how the first carbon of glucose structure is chiral carbon?
Answer» how the first carbon of glucose structure is chiral carbon?

Discussion

2384.	Which of the following is not a way to reduce air pollution?
Answer» Which of the following is not a way to reduce air pollution?

Discussion

2385.	Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines.People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?
Answer» Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines. People have noticed that these pipelines often burst in winter when temperatures drop below $4^{o} C$ . Why do you think this happens?

2385.

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines.People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?

Answer»

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines.

People have noticed that these pipelines often burst in winter when temperatures drop below $4^{o} C$ . Why do you think this happens?

Discussion

2386.	The functional group attached with hydrocarbon in a soap is:
Answer» The functional group attached with hydrocarbon in a soap is:

Discussion

2387.	Why does our stomach burns when we suffer from indigestion
Answer» Why does our stomach burns when we suffer from indigestion

Discussion

2388.	Find the volume of air to be filled in a basket ball of radius 10.5 cm. [2 MARKS]
Answer» Find the volume of air to be filled in a basket ball of radius 10.5 cm. [2 MARKS]

Discussion

2389.	A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.
Answer» A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.

Discussion

2390.	Which of the following gives the correct increasing order of acidic strength?(a) Water < Acetic Acid< Hydrochloric Acid(b) Water < Hydrochloric Acid < Acetic Acid(c) Acetic Acid < Water < Hydrochloric Acid (d) Hydrochloric Acid < Water < Acetic Acid
Answer» Which of the following gives the correct increasing order of acidic strength? (a) Water < Acetic Acid< Hydrochloric Acid (b) Water < Hydrochloric Acid < Acetic Acid (c) Acetic Acid < Water < Hydrochloric Acid (d) Hydrochloric Acid < Water < Acetic Acid

Discussion

2391.	Which of the following compound/compounds feel soapy to touch?
Answer» Which of the following compound/compounds feel soapy to touch?

Discussion

2392.	Which of the following is true about properties of air?
Answer» Which of the following is true about properties of air?

Discussion

2393.	What type of change takes place when food we eat gets digested?
Answer» What type of change takes place when food we eat gets digested?

Discussion

2394.	Is rearrangement possible in electrophilic addition reaction?
Answer» Is rearrangement possible in electrophilic addition reaction?

Discussion

2395.	During the winter season, the presence of dew drops on leaves is a common sight in the gardens. Water changes its form during the formation of dew drops. In this process, water changes from _____ to ______ state.
Answer» During the winter season, the presence of dew drops on leaves is a common sight in the gardens. Water changes its form during the formation of dew drops. In this process, water changes from _____ to ______ state.

Discussion

2396.	When a student adds some dilute hydrochloric acid to baking soda taken in a test-tube, a gas is evolved.(a) Name the gas evolved.(b) How can this gas be tested?
Answer» When a student adds some dilute hydrochloric acid to baking soda taken in a test-tube, a gas is evolved. (a) Name the gas evolved. (b) How can this gas be tested?

Discussion

2397.	Forests reduce global warming and control the enhanced green house effect by
Answer» Forests reduce global warming and control the enhanced green house effect by

Discussion

2398.	resistivity of a material of a wire is 3×10^{-6} and resis†an ce of a particle thickness and length of wire is 2ohm if the diameter of wire gets doubled then resistivity will be
Answer» resistivity of a material of a wire is 3×10^{-6} and resis†an ce of a particle thickness and length of wire is 2ohm if the diameter of wire gets doubled then resistivity will be

Discussion

2399.	Density of honey is greater than the density of water because ( Density is defined as mass per unit volume)
Answer» Density of honey is greater than the density of water because ( Density is defined as mass per unit volume)

Discussion

2400.	what is alum
Answer» what is alum

Discussion

Explore topic-wise InterviewSolutions in .

what is resonance condition and displacement current?

Basophills get stained by basic dyes and not by acidic or neutral dyes , why?

How are electrical impluse being generated by San in heart?. How are electrical impluse being generated by nerves

What do you understand by 'Soil Profile'?

43. What is stoichiometric coefficient of CA in the following reaction? CA + Al3+ = Ca2+ + Al

The gas present in the atmosphere which is essential for respiration of plants is

When iron reacts with copper sulphate, the colour of the solution changes from blue to ___.

CWC stands for________________.(a) Central Water Commission(b) Central Warehousing Commission(c) Central Warehousing Corporation(d) Central Water Corporation

what are the practical uses of photoelectric process?

The decomposition of a compound A follows a first order rate law. If it takes 15 min for 20% of the inital compound to decompose, then calculate the value of rate constant:

What is the symbol of manganese?

Question 5.Classify the following changes into fast and slow changes: Explosion of a cracker, tooth decay, growth of a plant, fading of flowers, burning of cooking gas, taking x-ray photograph of a body part

Sodium is stored in kerosene because:

Some people close their nose while taking bitter medicines. Why do they do that?

An element X forms a compound XH3 with hydrogen. Another element Y forms a compound YX2 with X. Given that the valency of hydrogen is 1, what are the valencies of X and Y?

10.Why work done during isothermal reversible change is maximum

Three rods of same length and area of cross-section but of thermal conductivities K, 2K and 3K are connected in series in the same order. Free end of the first rod is at 0∘ C and free end of third rod is at 55∘ C. In steady state, temperature difference across the middle rod is

S.I. unit of Electrical conductivity of a conductor is --------------------

A radioactive sample consists of two distinct species having equal number of atoms N0 each initially. The mean life of one species is T and of the other species is 6T. The decay products in both cases is stable. The total number of radioactive nuclei remaining at time 6T will be

What does this line mean "precise set is accurate or non-concurrent ."?

Which of the following is/are decomposers?

Define the followings:i. Rigidityii. Compressibilityiii. Fuidity

What is decomposes?

Fill in the following blanks with suitable words :At room temperature, the forces of attraction between the particles of solid substances are ____ than those which exist in the gaseous state.

The resistance of a conductivity cell containing 0.0001 M KCl solution at 298 K is 1500 Ω. What is the cell constant ( in cm−1) if conductivity of 0.0001 M KCl solution at 298 K is 0.146×10−3 S cm−1.

What is maximum multiplicity?

Question 12 (a) Give reason why platinum, gold and silver are used to make jewellery?

State whether the following is exothermic or endothermic reaction and give reaso- adding small amount of water is a bowl containing acid

What is Ionic bonding?

How does forest help in maintaining the balance of oxygen and carbon dioxide in the atmosphere? [5 MARKS]

List ten changes of occurring around you .classify them into physical and chemical changes .

Which inorganic acid is produced in our stomach and helps in digestion? [3 MARKS]

how the first carbon of glucose structure is chiral carbon?

Which of the following is not a way to reduce air pollution?

Water from lakes, rivers and dams is transported to the cities through long pipes. These are the water pipelines.People have noticed that these pipelines often burst in winter when temperatures drop below 4o C. Why do you think this happens?

The functional group attached with hydrocarbon in a soap is:

Why does our stomach burns when we suffer from indigestion

Find the volume of air to be filled in a basket ball of radius 10.5 cm. [2 MARKS]

A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.

Which of the following gives the correct increasing order of acidic strength?(a) Water < Acetic Acid< Hydrochloric Acid(b) Water < Hydrochloric Acid < Acetic Acid(c) Acetic Acid < Water < Hydrochloric Acid (d) Hydrochloric Acid < Water < Acetic Acid

Which of the following compound/compounds feel soapy to touch?

Which of the following is true about properties of air?

What type of change takes place when food we eat gets digested?

Is rearrangement possible in electrophilic addition reaction?

During the winter season, the presence of dew drops on leaves is a common sight in the gardens. Water changes its form during the formation of dew drops. In this process, water changes from _____ to ______ state.

When a student adds some dilute hydrochloric acid to baking soda taken in a test-tube, a gas is evolved.(a) Name the gas evolved.​(b) How can this gas be tested?

Forests reduce global warming and control the enhanced green house effect by

resistivity of a material of a wire is 3×10^{-6} and resis†an ce of a particle thickness and length of wire is 2ohm if the diameter of wire gets doubled then resistivity will be

Density of honey is greater than the density of water because ( Density is defined as mass per unit volume)

what is alum

During the winter season, the presence of dew drops on leaves is a common sight in the gardens. Water changes its form during the formation of dew drops. In this process, water changes from _ to __ state.

When a student adds some dilute hydrochloric acid to baking soda taken in a test-tube, a gas is evolved.(a) Name the gas evolved.(b) How can this gas be tested?