Question

Write true or false against the statements. a) The molecular mass of a compound can be calculated from its chemical formula.
b) The elements present in glucose are carbon, hydrogen and oxygen.
c) Alcohol and water can be separated by crystallization.

d) Rusting of iron is a physical change.

e) When ammonium chloride is dissolved in water, energy is released.​

Answer 1

Answer:

1.T

2.F

3.F

4.T

5.T

Explanation:

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