GOV EXAM ADDA

1. Noble gas used in the treatment of cancer is

Answer & Solution

2. Purity of gold is expressed in terms of carat. Purest form of gold is

Answer & Solution

3. Illumination of metal is caused by the

A. Reflection of Light due to presence of free electrons

B. Absorption of Light due to Presence of sockets

C. High density due to close packing of atoms

D. Highly Polished

Answer & Solution

4. Old oil painting becomes black due to the formation of

Answer & Solution

5. The king of metal is

Answer & Solution

6. Heavy metals got their names because compared to others atoms they have

A. Higher atomic radii

B. Higher atomic number

C. higher atomic mass

D. Higher densities

Answer & Solution

7. Which of the following is second most abundant element on the surface of sun beside Hydrogen?

Answer & Solution

8. Standard 18 carat gold sold in the market is

A. 18 parts of gold and 6 parts other metal

B. 9 parts of gold and 15 parts other metal

C. 82 parts of gold and 18 parts of metal

D. 18 parts of gold and 82 parts other metal

Answer & Solution

9. Which of the following is the most bad conductor?

Answer & Solution

10. What is Asbestos?

A. Calcium silicate

B. Magnesium silicate

C. Calcium magnesium

D. Alumina

Answer & Solution

15. The ore of only two metals that are non-silver in colour, they are

A. Palladium and Platinum

B. Sodium and magnesium

C. Nickel and zinc

D. Copper and Gold

Answer & Solution

16. If the bullets could not be removed from gunshot injury of a man, it May cause poisoning by

Answer & Solution

17. Which of the following elements behave chemically both as metal and a Non-metal?

Answer & Solution

18. The soft silver Metallic element which ionizes easily when heated or exposed to light and it present in atomic clocks is

Answer & Solution

19. The ratio of pure gold in 18 carat gold is

Answer & Solution

20. Which of the following metal has maximum electrical conductivity?

Answer & Solution

21. What is the product formed when sodium bicarbonate is heated strongly?

A. Sodium Carbonate

B. Sodium hydroxide

C. Sodium peroxide

D. Sodium Monoxide

Answer & Solution

22. The most pure form of carbon among the options is

Answer & Solution

23. Activated Charcoal is used to remove colouring matter from pure substances by ____

Answer & Solution

24. Silica gel is a

Answer & Solution

25. Silver gets corroded due to ____ in air.

Answer & Solution

1. Noble gas used in the treatment of cancer is

2. Purity of gold is expressed in terms of carat. Purest form of gold is

3. Illumination of metal is caused by the

4. Old oil painting becomes black due to the formation of

5. The king of metal is

6. Heavy metals got their names because compared to others atoms they have

7. Which of the following is second most abundant element on the surface of sun beside Hydrogen?

8. Standard 18 carat gold sold in the market is

9. Which of the following is the most bad conductor?

10. What is Asbestos?

11. Which one of the following is known as the brown coal?

12. Which metal is protected by the layer of its own oxide?

13. At room temperature, the metal that remains liquid is

14. Which one of the following is not a coal variety?

15. The ore of only two metals that are non-silver in colour, they are

16. If the bullets could not be removed from gunshot injury of a man, it May cause poisoning by

17. Which of the following elements behave chemically both as metal and a Non-metal?

18. The soft silver Metallic element which ionizes easily when heated or exposed to light and it present in atomic clocks is

19. The ratio of pure gold in 18 carat gold is

20. Which of the following metal has maximum electrical conductivity?

21. What is the product formed when sodium bicarbonate is heated strongly?

22. The most pure form of carbon among the options is

23. Activated Charcoal is used to remove colouring matter from pure substances by ____

24. Silica gel is a

25. Silver gets corroded due to ____ in air.