General Science Class 10

A process in which two light nuclei combine to form a heavier nucleus is called?

1. Nuclear fusion
2. Nuclear fission
3. Beta-decay
4. Alpha-decay

A girl throws a small stone into a lake. (See in detail)

1. 0.50Hz
2. 15Hz
3. 2.0Hz
4. 50Hz

If pH value is greater than 7, then solution is :

1. Acidic
2. Basic
3. Amphoteric
4. Neutral

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