Wednesday, 18 August 2021

General Science (Chemistry) Quiz-8 (#sciencequiz)(#chemistryquiz)(#eduvictors)(#compete4exams)

General Science (Chemistry) Quiz-8

General Science (Chemistry) Quiz-8 (#sciencequiz)(#chemistryquiz)(#eduvictors)(#compete4exams)



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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