Question

Short answer type questions.
1. Write names of 5 compounds used in our daily life.
2. Draw a labelled diagram of structure of atom.
3. Identity elements, compounds and mixture from the following - Oxygen
gas, iron, sugar, salt, hydrogen gas, sand, brass, soap, sull, sugal, Dyrup
sorbet, air.
Long answer type questions:
1. Explain with experiments the state of matter.
2. Define elements, compound and mixtures with examples.
3. Differentiate atom and molecule with example.
4. Explain the making of water molecule with diagram.
Practical work:
1. Make model of structure of atom on a cardboard with the help of balls or
marbles.
​

Answer 1

Short question

1. Soap, toothpaste, salt, graphite carbon, vinegar.
2. .....draw karne diya hai.
3. Element: Iron ,,,,Compound : Salt, sugar, sand, soap,,,,,,Mixture : brass, air .

Baki question ke answer pata nahi. sorry.