General Science (Chemistry) Quiz-8

1. ________ dating is one of the most widely used methods for the detection of the age of the old artefacts or fossils.

2. Sodium Fluoride, a chemical commonly used in toothpaste. Its chemical formula is _______.

3. Particles in both liquids and gases move randomly (in a zig-zag manner). This is called ________ motion.

4. _________ determines the flow of the liquid. It is the internal friction between layers of the liquid.

5. ________ is called 'The father of modern chemistry.

6. Protons were discovered by _________ in 1911.

7. According to Arrhenius, an acid is a compound that releases _____ ions in water.

8. Hard steel can be softened by heating it to a high temperature and then allowing it to cool down slowly. This process is called _________.

9. A bee-sting leaves an acid which causes pain and irritation. The injected acid is ________ acid.

10. Vitamin C also called ________ acid, is commonly found in citrus fruits, amla and green leafy vegetables.

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