Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
Television
Refrigerator
Tube light
Cooking gas
Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
Balloons are filled with |
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Which of the following does not contain a coinage metal? |
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Which metal pollute the air of a big city? |
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Bell metal is an alloy of |
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Water is a good solvent of ionic salts because |
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Which of the following is not an isotope of hydrogen? |
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The main constituents of pearls are |
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Amalgams are |
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Which of the following is the lightest metal? |
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Which of the following metals remain in liquid for under normal conditions? |
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