Matter questions | form one Chemistry

 The states of matter are:-
A. Element, gas and mixture.
B. Liquid, moisture and element.
C. Water, moisture and solid.
D. Gas, liquid and solid.

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UNSOLVED

A Substance which absorbs water/moisture from the atmosphere and forms a solution is called:
A. Efflorescent.
B. Amphoteric.
C. Hygroscopic.
D. Deliquescent

Answer / Solution

UNSOLVED

Chemical change means;

1. the change is reversible
2. can easily be separated
3. the change is complete
4. new substance is produced
5. produces no change of mass.

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UNSOLVED

Give two examples in each of the following solution.
(i) Gaseous solution.
(ii) Solid solution.

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UNSOLVED

A student accidently broke a beaker containing copper (II) sulphate crystals. He decided to separate the blue crystals from the small pieces of glass by first dissolving the mixture and then filtering. What were his next steps?

Answer / Solution

UNSOLVED