Question

1. Which of the following is an element?
(a) Hydrogen
(b) Water
(c) Salt
(d) Glucose
2. Ammonium chloride can be separated from sand by
(a) decantation
(b) fractional distillation
(c) sublimation
(d) chromatography
3. Common salt can be separated from sand by
(a) distillation
(b) fractional distillation
(c) using water as a solvent
(d) using a separating funnel
4. For separating the components of which of the following mixtures can a separting funnel be used
(a) Water + sodium chloride
(b) Chalk + water
(c) Alcohol + water
(d) Oil + water
5. The dyes of an ink are best separated by
(a) filtration
(c) fractional distillation
(b) using a separating funnel
(d) chromatography​

Answer 1

1] hydrogen

2]sublimation

3]using water as solvent

4]oil+ water

5]chromatography

Answer 2

Answer:

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