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Q-1 Which gas is evolved when metals react with acids?
Q-2 Why are plastic bottles commonly used to store chemicals in the loboratory?
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Ans 1) Hydrogen gas is evolved when metals react with acids.
Ans 2) Plastic bottles commonly used to store chemicals in the laboratory because plastic don't react when chemicals. if steel bottles are used instead of plastic bottles it will react with chemicals.
hope it helps you
Ans 2) Plastic bottles commonly used to store chemicals in the laboratory because plastic don't react when chemicals. if steel bottles are used instead of plastic bottles it will react with chemicals.
hope it helps you
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1.)hydrogen gas is evolved when metals react with acids.
2.)In chemical laboratory, many chemicals are stored in plastic bottles because plastics are non reactive, inexpensive and can be re-used and dont get coroded by coming in contact to strong acids and bases
2.)In chemical laboratory, many chemicals are stored in plastic bottles because plastics are non reactive, inexpensive and can be re-used and dont get coroded by coming in contact to strong acids and bases
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