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Science (Chemistry) Questions For CTET 2017 Exam

Science (Chemistry) Questions For CTET 2017 Exam_30.1
Q1. What is detergent?

(a) cleansing agent
(b) drug
(c) catalyst
(d) soap

Q2. Candles contains a mixture of which of the following?

(a) Bees wax and paraffin wax
(b) Bees wax and stearic acid
(c) Paraffin wax and stearic acid
(d) Higher fatty acid

Q3. Which of following is responsible for ‘Acid rain’? 

(a) carbon dioxide
(b) carbon monoxide
(c) methane
(d) nitrous oxide and sulphur dioxide

Q4. Which gas is used in filling electric bulbs? 

(a) Neon
(b) Argon
(c) Radon
(d) Krypton

Q5. The number of mole of solute per liter solution is called 

(a) Molality
(b) Normality
(c) Molarity
(d) Mole fraction

Q6. Which of the following important metal is used with iron to produce stainless steel?

(a) aluminium
(b) tin
(c) chromium
(d) None of these

Q7. Solder is an alloy of 

(a) tin and lead
(b) tin and copper
(c) tin, copper and zinc
(d) tin, lead and zinc

Q8. The most malleable metal is
(a) Silver
(b) Gold
(c) Aluminium
(d) Sodium

Q9. Tetra-ethyl lead is used as 

(a) Mosquito repellent
(b) Painkiller
(c) Fire extinguisher
(d) Petrol additive

Q10.Which chemical is used in beauty parlours for hair setting? 

(a) Chlorine
(b) Sulphur
(c) Phosphorus
(d) Silicon


Solutions:

S1.Ans.(a)

S2.Ans.(c)

S3.Ans.(d)

S4.Ans.(b)

S5. Ans.(c)

S6. Ans.(c)

S7. Ans.(a)

S8. Ans.(b)

S9. Ans.(d)

S10. Ans.(b)