nda chemistry quiz

Nda chemistry quiz

Choose the appropriate option.

Question 1. Beryllium Sulphate is less soluble in water due to?

High inflammable energy (NA)

Low Energy of dissociation (NA)

Low inflammable energy (NA)

ionic band (NA)

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Question 2. What is the name of that system which uses radioactivity to decide the period of materials of pre historic period?

Radium dating (NA)

Uranium dating (NA)

Carbon dating (NA)

Deuterium dating (NA)

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Question 3. Cement is made hard with

dehydration (NA)

hydration and dissociation of water (NA)

Dissociation of water (NA)

Polymerisation (NA)

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Question 4. What happens when a chemical bond is formed ?

energy is always absorbed (NA)

energy in always released (NA)

more energy is released than is absorbed (NA)

energy is neither released nor absorbed (NA)

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Question 5. Which among the following is a carbohydrate?

Nylon (NA)

Cane sugar (NA)

Turpentine (NA)

Hydrogen peroxide (NA)

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Question 6. In which of the following states maximum iron ore is found ?

FeC03 (NA)

Fe2 O3 (NA)

Fe304 (Fe304)

FeS2 (NA)

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Question 7. Which one of the following metals pollutes the air of a city having large number of automobiles?

Cadmium (NA)

Chromium (NA)

Lead (NA)

Copper (NA)

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Question 8. What is the Chemical name for baking soda?

Sodium carbonate (NA)

Sodium bicarbonate (NA)

Sodium nitrite (NA)

Sodium nitrate (NA)

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Question 9. An atomic pile is used for

producing X rays (NA)

conducting nuclear fission (NA)

conducting thermonuclear fusion (NA)

accelerating atoms (NA)

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Question 10. Which of the following gases is present under pressure in soft drinks?

Oxygen (NA)

Nitrogen (NA)

Carbon dioxide (NA)

Nitrous oxide (NA)