| Other General Science Interview Questions |
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| Question | Asked @ | Answers |
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| What is condensation?
1 Change of gas into solid
2 Change of solid into liquid
3 Change of vapour into liquid
4 Change of heat energy into cooling energy | | 1 |
| Superphosphate fertilizer is prepared by the reaction between
1 Calcium phosphate and Sulphuric hydroxide
2 Sodium phosphate and Sodium nitrate
3 Magnesium phosphate and Sodium nitrate
4 Sodium sulphate and Phosphoric acid | Central-Police-Forces | 2 |
| Carbon tetrachloride fire extinguisher should not be used in
closed rooms, because it produces a poisonous gas called
1 Carbon monoxide
2 Phosphine
3 Phosgene
4 None of these | | 1 |
| Which of the following elements is obtained from sea weeds?
1 Argon
2 Sulpur
3 Vanadium
4 Iodine | | 1 |
| Water gas is prepared by passing
1 Steam over white-hot coke
2 Air over red-hot coke
3 Methane over red-hot coke
4 Steam over heated sulphur | | 2 |
| The Contact Process is involved in the manufacture of
1 Nitric acid
2 Sulphuric acid
3 Ammonia
4 Caustic soda | | 1 |
| Which of the following is used as a coolant in nuclear reactors?
1 Heavy water
2 Cadmium
3 Liquid sodium
4 None of these | | 1 |
| The wavelength of X-ray is of order of
1 1 cm
2 1m
3 1 Angstrom
4 10 micron | | 1 |
| Marsh gas is
1 Hydrogen
2 Nitrogen
3 Methane
4 Ethane | | 1 |
| The major constituents of Portland cement include
1 Lime, silica and iron oxide
2 Lime, silica and magnesia
3 Silica, alumina and magnesia
4 Lime, silica and alumina | | 1 |
| Chemical change does not take place in case of
1 Souring of milk into curd
2 Rusting of iron in atmosphere
3 Burning of magnesium ribbon in air
4 emitting of light by a red hot platinum wire | | 3 |
| Which of the following gases is not known as green house gas?
1 Carbon dioxide
2 Methane
3 Nitruous oxide
4 Hydrogen | | 1 |
| The metal that is present in photo films is
1 Mercury
2 Platimnum
3 Magnesium
4 Silver | | 1 |
| Heavy water is
1 Sea water (H2O+Salt)
2 D2O
3 H2O2
4 None of these | | 1 |
| Bagasse, a by-product of sugar manufacturing industry, is
used for the production of
1 Nylon
2 Glass
3 Paper
4 Alcohol | | 1 |
| Graphite and sillimanite are
1 Refractory minerals
2 Ferrous minerals
3 Base minerals
4 None of these | | 1 |
| Which of the following metals was first discovered by man?
1 Bronze
2 Silver
3 Iron
4 Copper | | 1 |
| What are vitamins ? describe different kinds of vitamins | | 1 |
| Old-written material, which cannot be read easily, can be
read by
1 Cosmic rays
2 Ultraviolet rays
3 Infra red rays
4 None of these | | 1 |
| In laundry soaps, a material called ‘filler’ is used. Which
of the following is a ‘filler?
1 Talc
2 Sodium silicate
3 Soda ash
4 Sodium phosphate | | 1 |
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