Class 11 Chemistry (Part Ii) Chapter 9 Hydrogen Quiz 16 (25 MCQs)

Quiz Instructions

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1. Water glass is
2. What is the wavelength for Cyan?
3. Predict the product:copper + dil. sulphuric acid$\rightarrow$
4. In a hydrogen fuel cell car, electricity is produced on board the vehicle with the help of hydrogen and .....
5. The lower the pH, the greater the concentration of:
6. What is the product formed when hydrogen burns in oxygen?
7. During a science class, Prisha learned that the name 'Hydrogen' is derived from the Greek words ..... and .....
8. Which of the following compounds contain hydrogen bond?
9. The chemical substance which changes ferric salt to ferrous
10. Hydrogen forms
11. The catalyst used in Bosch process is
12. Sodium hexa meta phosphate is called .....
13. What are the waste products of a hydrogen fuel cell car?
14. True or false:A hydrogen bond forms a stronger chemical bond than a covalent bond.
15. Out of the 4 compounds which is the strongest?CH4, HBr, NH3
16. Storing hydrogen in a liquid form takes less space than storing it as a gas.
17. Electrodes of fuel cell are coated with .....
18. The solution of HCl in toluene is .....
19. Oils are
20. Which is the lightest and most abundant element?
21. H$_{2}$SO$_{4 }$is used as a drying agent because
22. Which of the following method is one of the laboratory preparation of oxygen gas?
23. What is the impact of hydrogen bonding on the viscosity of liquids?
24. Which type of electrolyzer is known for its high efficiency but high cost?
25. Which impurities are removed by passing through fused anhydrous calcium chloride