ICSE ICSE Class 7 - CISCE Question Bank Solutions for Chemistry

Differentiate between in Chemical reaction and chemical equation.

Write the names of `("NH"_4)_2"SO"_4` compounds:

Write the names of `"Ca"("NO"_3)_2` compounds :

Write the names of `"FeS"` compounds :

Write the names of `"Na"_3"PO"_4` compounds :

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Any matter which has a definite _______ but no definite shape is called a _______

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Any matter which has a definite _______ but no definite shape is called a _______

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All matter is made up of tiny particles called ______

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All matter is made up of tiny particles called ______

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Liquids have a definite ______

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Liquids have a definite ______

Write true or false for each statement. Rewrite the false statement correctly.

Matter cannot exist in different states.

Write true or false for each statement. Rewrite the false statement correctly.

Matter cannot exist in different states.

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The substances which undergo chemical change are called _______

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The substances formed as a result of a chemical reaction are called _______

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During a chemical reaction transfer of ________ takes place.

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The basic conditions necessary for a chemical reaction is _______

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In some chemical reactions an insoluble ________ is formed when two solutions are mixed.

Write true or false  :
No new substance is formed during a chemical reaction.

Write true or false  : 

Hydrogen sulphide has rotten egg smell .