सोमवार, 6 जनवरी 2014

इंग्लिश क्वेश्चन-22


1. Which one of the following is not a pesticide? 
a) BHC
b) Malathion
c) Freon
d) DDT


2. Acid rain contains high levels of 
a) Oxalic Acid
b) Acetic Acid
c) Sulphuric and Nitric acids
d) Carbolic Acid


3. Safety matches are made using
a) Carbon, Sulphur and Paraffin
b) Potassium Chloride, Antimony Sulphide and Glue
c) Lead Dioxide, Carbon and Paraffin
d) Silicon Dioxide, Sulphur and Paraffin


4. Bronze is an alloy of
a) Copper and Zinc
b) Tin and Zinc
c) Copper and Tin
d) Iron and Zinc


5. Which one of the following elements is alloyed with iron to produce steel which can resist high temperatures and also have high hardness and abrasion resistance? 
a) Aluminium
b) Chromium
c) Nickel
d) Tungsten


6. Name a chemical compound used in photography? 
a) Silver Bromide
b) Potassium Nitrate
c) Hydrogen Peroxide
d) Hydrogen Sulphide


7. Which chemical compound is used for the etching of glass? 
a) Sodium Bicarbonate
b) Carbon Monoxide
c) Hydrofluoric acid
d) Nitric Acid



8. Smog is a common pollutant in places having a higher concentration of
a) Sulphur Dioxide
b) Ammonia
c) Nitrogen
d) Oxygen

9. Cooking gas is a mixture of
a) Carbon Monoxide and Carbon Dioxide
b) Butane and Propane
c) Methane and Ethylene
d) Carbon Dioxide and Oxygen


10. Which one of the following substances is made up of only one type of atoms?
a) Water
b) Milk
c) Hydrogen
d) Air


Answer of Above Questions:-22

Question No.        Answer
Q-01      →            c) Freon 
Q-02      →            d) carbolic acid
Q-03      →            b) potassium chloride, antimony sulphide and glue 
Q-04      →            c) copper and tin 
Q-05      →            b) chromium 
Q-06      →            a) silver bromide 
Q-07      →            c) hydrofluoric acid 
Q-08      →            a) sulphur dioxide 
Q-09      →            b) butane and propane 
Q-10      →            c) hydrogen 




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