Score: 0 / 25
Incorrect As: 0
Q 126: Which greenhouse gas 80 times more potent than CO2?
A) Nitrogen
B) Methane
C) Oxygen
D) None of these
Q 127: What is the main component of natural gas?
A) Methane
B) Ethane
C) Propane
D) Butane
Q 128: Which of the following is least pollutant?
A) Petrol
B) Natural gas
C) Coal
D) Diesel
Q 129: Compressed Natural Gas (CNG) has the same chemical composition as that of.
A) Lp»
B) Sui gas
C) Tear gas
D) Poison gas
Q 130: Bio gas is the name of:
A) Natural gas
B) Hydrogen gas
C) Nitrogen gas
D) Oxygen gas
Q 131: The gas that filled the electric bulb is:
A) Nitrogen
B) Oxygen
C) Carbon Dioxide
D) None of these
Q 132: The most abundant gas in the earth atmosphere is:
A) Nitrogen
B) Oxygen
C) Argon
D) None of these
Q 133: The least-polluted gas is:
A) Carbon
B) Nitrogen
C) Chlorine
D) None of these
Q 134: What was the temperature of “Liquid Nitrogen"?
A) 37°C
B) -196°C
C) 0°C
D) None of these
Q 135: Which of these elements is a noble gas?
A) Nitrogen
B) Hydrogen
C) Oxygen
D) Argon
Q 136: Why noble gases are less reactive?
A) Less electronic configuration
B) Due to their complete octet
C) Due to low valency
D) None of these
Q 137: Which gas is present in the bulb?
A) Argon
B) Nitrogen
C) Hydrogen
D) None of these
Q 138: In order to make Nitrogen available to primary producers tike plants, in an ecosystem it is converted into:
A) Nitrates
B) Nitrites
C) Ammonia
D) Nitric Acid
Q 139: Which of the following gases' are used for refrigeration?
A) Chlorine
B) Ammonia
C) Phosphine
D) Carbon dioxide
Q 140: Smoke from industries causes:
A) Fog
B) Smog
C) Mist
D) None of these
Q 141: Smog is caused by_____.
A) Smoke from factories
B) Burn of bricks
C) Brickkiln
D) All of these
Q 142: Smoke is an example of:
A) Solid in solid
B) Solid in liquid
C) Solid in gas
D) Gas in gas
Q 143: Most abundant mineral in human body?
A) Calcium
B) Iron
C) Magnesium
D) Potassium
Q 144: Gold, Silver and copper are minerals.
A) Solid
B) Hard
C) Natural
D) None of these
Q 145: Which of the following is the form of marble?
A) Onyx
B) Carrara
C) Calacatta
D) All of these
Q 146: Which of the following is a man made substance?
A) Timber
B) Leather
C) Plastic
D) Natural Gas
Q 147: The Periodic Table, which arranges chemical elements according to their atomic number and chemical properties, was formulated by:
A) Antoine Lavoisier
B) Dmitri Mendeleev
C) John Dalton
D) Otto Hahn
Q 148: Which is the first element depicted on the Periodic Table?
A) Hydrogen
B) Aluminum
C) Oxygen
D) Gold
Q 149: Solder is an alloy of:
A) Zinc and Lead
B) Tin and Zinc
C) Tin and Lead
D) Zinc and Copper
Q 150: Stainless steel is an alloy of iron and:
A) Zinc
B) Nickle
C) Bronze
D) None of these