Question

Classify the following substances into elements and compounds.
1. mercury
2. sulphur
3. sugar
4. water
5. sand
6. gold
7. carbon
8. oxygen
9. alcohol
10. iron
11. marble
12. baking soda
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Answer 1

Elements : 1 , 2 , 6 , 7 , 8 , 10

Compounds : 3 , 4 , 5 , 9 , 11 , 12

Answer 2

Explanation:

Element: Mercury, sulphur, gold, oxygen, carbon, iron

Compound: Sugar, water, alcohol, marble

Mixture: Sand, coal