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Acids Bases and...

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  • Question 1
    1 / -0

    The __________ oxides can be neutralized with a base to form a salt and water.

  • Question 2
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    Match the following:

     Natural sourceAcid
    1. Vinegara. Oxalic acid
    2. Orangeb. Acetic acid
    3. Tamarindc. Citric acid
    4. Tomatod. Tartaric acid

  • Question 3
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    Olfactory indicator help to identify whether the given solution is acidic or basic by changing:

  • Question 4
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    When pH of rain water is less than 5.6, it is called:

  • Question 5
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    Tooth decay starts when the pH of the mouth is less than:

  • Question 6
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    Which of these is a non-metallic oxide which reacts with base to form salt and water?

  • Question 7
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    Hydrochloric acid reacts with carbonate to form:

  • Question 8
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    If we dip a piece of aluminium foil in sodium hydroxide:

  • Question 9
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    $$H_{2}SO_{4} + CuCO_{3} \rightarrow$$ ____ $$ + H_{2}O + CO_{2}$$

  • Question 10
    1 / -0

    Which of these is not a non-metallic oxide?

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