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mcq on Matter Around us for Students
Which gas is commonly used inside electric Light bulbs?
a) Neon
b) Argon
c) Radon
d) Krypton
Option b – Argon
Kerosene is best described as a mixture of
a) Aromatic Hydrocarbons
b) Aliphatic Hydrocarbons
c) Saturated Hydrocarbons
d) Alicyclic Hydrocarbons
Option b – Aliphatic Hydrocarbons
What do candles mainly consist of?
a) Beeswax and paraffin wax
b) Beeswax and stearic Acid
c) Paraffin wax and stearic Acid
d) Higher fatty Acids
Option c – Paraffin wax and stearic Acid
Which noble gas is absent in the Earth’s Atmosphere?
a) Argon
b) Krypton
c) Radon
d) Xenon
Option c – Radon
Which gas contributes to the rising of bread?
a) Oxygen
b) Carbon monoxide
c) Carbon dioxide
d) Ammonia
Option c – Carbon dioxide
Which substance is used to preserve processed Food?
a) Sodium sulphate
b) Saccharin
c) BHT
d) Sodium metabisulphite
Option d – Sodium metabisulphite
Carborundum is a compound made of
a) Calcium
b) Germanium
c) Silicon
d) Sulfur
Option c – Silicon
Which combination can be used as rocket propellant?
a) Liquid oxygen and liquid argon
b) Liquid hydrogen and liquid oxygen
c) Liquid nitrogen and liquid oxygen
d) Liquid hydrogen and liquid nitrogen
Option b – Liquid hydrogen and liquid oxygen
Why is helium favored over hydrogen in air balloons?
a) It costs less
b) It is lighter
c) It lifts more
d) It does not form explosive mixtures with air
Option d – It does not form explosive mixtures with air
Which substance has the lowest octane rating?
a) n-Heptane
b) 2-Methyl heptane
c) Iso-octane
d) 2,2-Dimethyl hexane
Option a – n-Heptane
Which of the following is not classified as Matter?
a) Sensation of Heat
b) Smoke
c) Humidity
d) Water
Option a – Sensation of Heat
Which of the following statements is incorrect?
a) Matter has a continuous nature
b) Solids are the most densely packed of the three states
c) Solids have the smallest intermolecular gaps
d) Solids generally have higher density than liquids
Option a – Matter has a continuous nature
Choose the correct evaporation rate order for water, Alcohol, petrol, and kerosene:
a) Water > Alcohol > Kerosene > Petrol
b) Alcohol > Petrol > Water > Kerosene
c) Petrol > Alcohol > Water > Kerosene
d) Petrol > Alcohol > Kerosene > Water
Option d – Petrol > Alcohol > Kerosene > Water
Which among the following can directly change from Solid to vapor?
a) Table Salt
b) Sugar
c) Iodine
d) Potassium iodide
Option c – Iodine
What term describes the conversion of a liquid into gas at constant temperature?
a) Boiling
b) Melting
c) Fusion
d) Evaporation
Option a – Boiling
Which of the following is considered a surface process?
a) Evaporation
b) Boiling
c) Both (a) and (b)
d) None of these
Option a – Evaporation
What is fusion in terms of phase change?
a) Solidifying a liquid
b) Melting a Solid
c) Evaporating a liquid
d) Turning gas into Solid
Option b – Melting a Solid
In which container does evaporation occur most effectively?
a) Flask
b) China dish
c) test tube
d) Beaker
Option b – China dish
Which condition best supports the liquefaction of a gas?
a) Raising the temperature
b) Lowering the pressure
c) Increasing pressure and decreasing temperature
d) Decreasing pressure and raising temperature
Option c – Increasing pressure and decreasing temperature
Which of the following does not describe a characteristic of compounds?
a) They have a variable composition
b) All particles are identical
c) Made of two or more elements
d) Cannot be separated using physical methods
Option b – All particles are identical
Which gas is often used in anesthesia?
a) Methane
b) Nitrous oxide
c) Nitrogen
d) Hydrogen peroxide
Option b – Nitrous oxide
Which noble gas is most abundant in the Earth’s Atmosphere?
a) Xenon
b) Krypton
c) Helium
d) Argon
Option d – Argon
Which is the most recently discovered state of Matter?
a) Solid
b) Bose-Einstein condensate
c) Plasma
d) Liquid
Option c – Plasma
Which one of the following is not a mixture?
a) Toothpaste
b) Toilet soap
c) Baking soda
d) Vinegar
Option c – Baking soda
Which one of the following is a heterogeneous mixture?
a) Hydrochloric Acid
b) Vinegar
c) Milk
d) Soda water
Option c – Milk
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