Chemistry Mock Test series:7

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1. 
What is the chemical nature of Freon used as a refrigerant?

2. 
How many amino acids are present in insulin?

3. 
What is the pH value of an alkaline solution?

4. 
What law does an ideal gas obey?

5. 
Which of the following substances does not wet the walls of a glass vessel?

6. 
What are the fundamental components of an atom?

7. 
Chemical formula of common salt is-

8. 
Which pollutant is responsible for holes in the ozone layer?

9. 
Chemical formula of washing soda is-

10. 
Which of the following methods can be used to confirm whether drinking water contains a gamma-emitting isotope?

11. 
Molten NaCl is a good conductor of electricity because of-

12. 
What types of bonds are present in CuSO₄·5H₂O?

13. 
Kerosene typically contains a mixture of hydrocarbons with carbon numbers ranging from-

14. 
What occurs when a drop of glycerol is placed on crushed KMnO₄ spread on paper?

15. 
Which gas is essential for protein synthesis?

16. 
What type of electromagnetic wave is emitted from the nucleus of a naturally radioactive atom?

17. 
What is responsible for the buffer action of blood?

18. 
The burning of petrol in vehicles contributes to air pollution by releasing which harmful metal into the environment?

19. 
What is the chemical formula of marsh gas?

20. 
Which of the following fuels is commonly utilized in gas welding processes?

21. 
Which nuclear particles are responsible for holding all nucleons together in the nucleus?

22. 
Water is considered an excellent solvent due to the nature of its molecules being-

23. 
What is the expected pH level of lemon juice?

24. 
Taj Mahal is said to be suffering from 'Marble Cancer'. What is Marble Cancer?

25. 
How many electrons are present in a Na⁺ ion?

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