Q:

The gas evolved when sodium carbonate reacts with hydrochloric acid is

A) Hydrogen	B) Chlorine
C) Hydrogen Chloride	D) Carbon dioxide

Answer & Explanation Answer: D) Carbon dioxide

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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

Calculate the accounting profits for a firm, if its economic profits for the year are Rs 60 crores, total implicit costs are Rs 18.5 crores and total explicit costs are Rs 35 crores

A) Rs 113.5 crores	B) Rs 43.5 crores
C) Rs 76.5 crores	D) Rs 78.5 crores

Answer & Explanation Answer: D) Rs 78.5 crores

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Filed Under: Indian Economy
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Q:

Green House Effect' means

A) Pollution in houses in tropical region	B) Prevention of ultraviolet radiation by the ozone layer
C) Trapping of solar energy due to atmospheric gases	D) Damage to green painted buildings

Answer & Explanation Answer: C) Trapping of solar energy due to atmospheric gases

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Filed Under: General Science
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Q:

Which among the following is NOT an event during the photosynthesis process?

A) Absorption of light energy by chlorophyll	B) Conversion of light energy to chemical energy
C) Splitting of water molecules into hydrogen and oxygen	D) Oxidation of carbon dioxide to carbohydrates

Answer & Explanation Answer: D) Oxidation of carbon dioxide to carbohydrates

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Filed Under: General Science
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Q:

Sensitivity of potentiometer can be increased by

A) increasing the e.m.f. of the cell	B) increasing the length of the potentiometer
C) decreasing the length of the potentiometer wire	D) none of these

Answer & Explanation Answer: B) increasing the length of the potentiometer

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Filed Under: Physics
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Q:

The second equation of motion gives the relation between

A) Velocity and time	B) Position and velocity
C) Position and time	D) Velocity and acceleration

Answer & Explanation Answer: C) Position and time

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Filed Under: Physics
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Q:

If the momentum of a body is tripled, its KE will

A) become three times its original value	B) remain the same
C) become six times its original value	D) become nine times its original value

Answer & Explanation Answer: D) become nine times its original value

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Q:

The age of the father 4 years ago was 8 times the age of his son. At present, the father's age is 4 times that of his son. Find the present age of son.

A) 9 years	B) 7 years
C) 14 years	D) 18 years

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