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Science(chemistry) Questions For CTET,DSSSB,KVS Exam: 2nd october 2018

Science(chemistry) Questions For CTET,DSSSB,KVS Exam: 2nd october 2018_30.1
Today, we are providing you the Chemistry Questions, which help you to command over this subjects.Taught many interesting chemistry facts and information and add some fun in a science teaching learning process.This section is not only important for CTET exam but also for other TET Exam i.e UPTET, REET, KVS,DSSSB Exam etc. So, we will provide you the questions which will help you in preparing for Exams.

Q1. The gas used for artificial fruit ripening of green fruit is —
(a) Ethylene
(b) Acetylene
(c) Ethane
(d) Methane

Q2. The three elements most needed in common fertilisers are:
(a) Sulphur, Phosphorous and Sodium
(b) Nitrogen, Potassium and Phosphorous
(c) Phosphorous, Sodium and Nitrogen
(d) Calcium, Phosphorous and Potassium

Q3. Which one of the following metals pollutes the air of a city having large number of automobiles?
(a) Cadmium
(b) Chromium
(c) Lead
(d) Copper

Q4. What is the chemical name for ‘baking soda’?
(a) Sodium carbonate
(b) Sodium bicarbonate
(c) Sodium nitrite
(d) Sodium nitrate

Q5. An atomic pile is used for
(a) producing X-rays
(b) conducting nuclear fission
(c) conducting thermonuclear fusion
(d) accelerating atoms

Q6. Which of the following gases is present under pressure in soft drinks?
(a) Oxygen
(b) Nitrogen
(c) Carbon dioxide
(d) Nitrous oxide

Q7. The substance which does not expand on going from liquid state to solid state is
(a) Water
(b) Cast-iron
(c) Aluminium
(d) Type metal

Q8. The radio-active element used in heart pacemakers is
(a) Uranium
(b) Deuterium
(c) Plutonium
(d) Radium

Q9. The element which is commonly used in nuclear for producing electricity by nuclear fission is
(a) Radium
(b) Plutonium
(c) Uranium
(d) Deuterium

Q10. Table salt gets moist during rainy season because
(a) sodium chloride is hygroscopic
(b) sodium chloride is deliquescent
(c) sodium chloride contains some quantity of sodium iodide
(d) sodium chloride contains hygroscopic impurities like magnesium chloride


S1. Ans.(a)

S2. Ans.(b)

S3. Ans.(c)

S4. Ans.(b)

S5. Ans.(b)

S6. Ans.(c)

S7. Ans.(d)

S8. Ans.(a)

S9. Ans.(c)

S10. Ans.(d)