Question

C. State whether the following statements are true (T) or false (F).
1. Metals are brittle in nature.
2. Non-metals generally exist as solids at room temperature.
3. Non-metals are generally non-reactive to water.
4. The most reactive metal is placed at the bottom of the reactivity series of metals.
5. Sulphur is used as an antiseptic in skin ointments.
6. Iron and aluminium are non-lustrous. . 7. Graphite is lustrous.
8. Sodium is a very reactive metal.
9. Goitre is caused due to the deficiency of iron.
10. All metals react vigorously in oxygen.​

Answer 1

Answer:

1 false

2 true

3true

6 false

7 true

9false