Top Chemistry Questions Answers For WBCS, SSC, RRB - Day 2

Top Chemistry Questions Answers For WBCS, SSC, RRB - Day 2

Looking for Chemistry questions answers ?  If yes, here is the right place for you. Here, we are regularly sharing with you Chemistry Questions Answers. This Chemistry questions Answers will help you to prepare for any kind of competitive exam like WBCS, PSC, RRB, SSC, UPSC, etc. We are providing you here Chemistry Questions Answers. Most of the students prepare for WBCS and other Job Exam. This Chemistry Questions Answers will be very useful to you.

Chemistry Questions Answers

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WBCS 2020 Chemistry Questions Answers are available on this website. Here, you can get daily Chemistry Questions Answers in English. SSC Chemistry questions answers set are given below. These are very important history questions for various competitive Exams.

Top Chemistry Questions Answers - Day 2

1. The oldest rocks in the earth crust were once molten and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earths; early life and solidified into hard rocks. What does it call?
Ans: Igneous rocks.

2. Name the scientists who stated that matter can be converted into energy?
Ans: Einstein.

3. What is kerogen oil?
Ans: Its an unconventional oil produed from the Pyrolysis, hydrogenation, or thermal dissolution of oil shales.

4. The potassium graphite and calcium graphite can be mostly used as which substance?
Ans: Superconductors.

5. What does the metallurgical process in which a metal is obtained in a fused state is called?
Ans: Smelting.

6. Which was first human-made plastic?
Ans: Celluloid.

7. The molecules of which gas have the highest speed?
Ans: Hydrogen gas at - 73 degree Celsius.

8. Which law states that the amount of gas dissolved in a liquid is proportional to its partial pressure?
Ans: Henry's law.

9. A mixture of sand and naphthalene can be separated by which process?
Ans: Sublimation.

10. What is the main buffer system of human blood?
Ans: H2CO3-HCO3.

11. Which enzyme converts glucose to ethyl alcohol?
Ans: Zymase.

12. What is the impact of the London Forces in the Cycloalkanes?
Ans: The melting and boiling points get increased.

13. Cobalt-60 is commonly used in radiation therapy. Why?
Ans: Because it emits gamma rays.

14. Gargling with a solution of table salt is known to provide relief for a sore throat. Why?
Ans: Because it dehydrates water from inflammatory tissues by Osmosis.

15. What do we get, when formaldehyde and potassium hydroxide are heated?
Ans: Methyl alcohol.

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