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Displaying 5 out
of 15
questions & answers.
Q1.
Which of the following is a mixture?
The solution at Gold, Air, Water, Sugar.
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Answer:
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Air is a mixture because in air different substances are present in any proportion.
Q2.
Give one example of the solution of a gas in a liquid.
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Aerated water is an example of solution of a gas in liquid.
Q3.
In every chemical reaction of the substance X, the mass of the product formed is greater than the mass of X taken for the reaction. What kind of the substance X is ?
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X is a molecule because when it takes part in chemical reaction, it will form its compound.
Q4.
A substance Y undergoes a chemical reaction in which the combined mass of the products formed is exactly equal to the mass of Y taken for the reaction. What kind of the substance Y is ?
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Y is an inert gas because inert gas do not take part in chemical reaction because they are stable compound.
Q5.
In which form of matter, the constituent elements are present in a fixed ratio ?
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Answer:
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In compound the constituent elements are present in a fixed ratio.
