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Chemistry Test ...

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  • Question 1
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    What is "milk of magnesia "chemically?

  • Question 2
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    The acid used in lead storage cells is –

  • Question 3
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    Milk tastes sour when kept in the open for sometime due to the formation of –

  • Question 4
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    Which of the following is a natural dye?

  • Question 5
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    The ratio of pure gold in 18 carat gold is

  • Question 6
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    _______ is the process in which acids and bases react to form salts and water.

  • Question 7
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    The gas usually causing explosions in coal mines is –

  • Question 8
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    Which is the purest form of iron?

  • Question 9
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    Which of the following metals form an amalgam with other metals?

  • Question 10
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    Petroleum is a mixture of –

  • Question 11
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    The gas used for filling weather balloons is –

  • Question 12
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    An emulsion is a colloid of a –

  • Question 13
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    Percentage of carbon in steel ranges from –

  • Question 14
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    Which of the following gases makes bread or cake rise making them soft and spongy?

  • Question 15
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    Candle is a mixture of –

  • Question 16
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    German silver, an alloy, does not contain the metal –

  • Question 17
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    Oxygen which is vital for life is a product of photosynthesis and comes from –

  • Question 18
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    What is the purpose of adding baking soda to dough?

  • Question 19
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    Gobar gas mainly contains –

  • Question 20
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    The chief constituent of vinegar is –

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