Chemistry (General Science): All SSC Exams Previous Years Questions Papers Solved Part 3

Q.1:- An important green-house gas other than methane being produced from the agricultural fields is ?

1. Nitrous Oxide
2. Ammonia
3. Sulphur Dioxide
4. Arsine

Q.2:- The term “Brown Air” is used for ?

1. Acid Fumes
2. Photochemical Smog
3. Sulphurous Smog
4. Industrial Smog

Q.3:- The radiation that can penetrate deepest in our body ?

1. UV-Radiation
2. Alpha-Particles
3. Beta-Particles
4. Gamma Particles

Q.4:- The ore of Aluminium is ?

1. Fluorspar
2. Bauxite
3. Chalco Pyrites
4. Hematite

Q.5:- The most abundant  element is ?

1. Calcium
2. Silicon
3. Oxygen
4. Nitrogen

Q.6:- Which one of the following contains maximum percentage of Carbon ?

1. Cast Iron
2. Stainless Steel
3. Wrought Iron
4. High Speed Steel

Q.7:- The first organic compound synthesised in the laboratory was ?

1. Urea
2. Uric Acid
3. Lactic Acid
4. Glucose

Q.8:- Which one of the following is found in Vinegar ?

1. Acetic Acid
2. Propionic Acid
3. Formic Acid
4. Butyric Acid

Q.9:- Silicone is a polymer of ?

1. Tetraalkyl Silane
2. Silicon Tetrachloride
3. Dialkyl Dichloro Silane
4. Silane

Q.10:- The heaviest naturally occurring element is ?

1. Mercury
2. Polonium
3. Thorium
4. Uranium

Q.11:- Piped Natural Gas (PNG) is used for ?

1. Mining
2. Welding
3. Anaesthesia
4. Cooking

Q.12:- Ethanol containing 5% water is known as ?

1. Dilute Alcohol
2. Power Alcohol
3. Rectified Spirit
4. Absolute Alcohol

Q.13:- Black lung disease occurs in people working in ?

1. Electroplating Industry
2. Organic Solvents Industry
3. Paint Manufacturing Industry
4. Coal Mines

Q.14:- The chief source for the production of Nitrogenous Fertilizers is ?

1. Ammonia
2. Nitric Acid
3. Nitrogen
4. Nitrogen Dioxide

Q.15:- Heavy metal pollution of water is caused by ?

1. Paints
2. Wood Burning
3. Acid Plants
4. Domestic Sewage

Q.16:- Extensively used Nitrogenous fertilizer is ?

1. Ammonium Nitrate
2. Urea
3. Ammonium Sulphate
4. Nitro-Lime

Q.17:- The main constituent of natural gas is ?

1. Methane
2. Ethane
3. Butane
4. Propane

Q.18:- The depletion of Ozone Layer is due to ?

1. Chloro Fluoro Carbon
2. Carbon Dioxide
3. Sulphur Dioxide
4. Ethane

Q.19:- The common refrigerant in domestic refrigerator is ?

1. Neon
2. Oxygen
3. Nitrogen
4. Freon

Q.20:- Coal is formed from ?

1. Crude Oil
2. Deposit of Animal Waste
3. Coke
4. Compressed and Hardened Biomass

Q.21:- Detergents are ?

1. Sodium salts of fatty acids
2. Sodium salts of Sulphonic Acids
3. Sodium salt of Benzoic Acid
4. None of the above

Q.22:- If all bullets could not be removed from gunshot injury of a man, it may cause poisoning by ?

1. Mercury
2. Lead
3. Iron
4. Arsenic

Q.23:- The National Chemical Laboratory (India) is located in ?

1. Mumbai
2. Bangaluru
3. Hyderabad
4. Pune

Q.24:- One of the constituents of tear gas is ?

1. Ethane
2. Ethanol
3. Ether
4. Chloropicrin

Q.25:- The element which is used for vulcanizing rubber ?

1. Sulphur
2. Bromine
3. Silicon
4. Phosphorus