Explore topic-wise MCQs in Basic GK.

This section includes 90 Mcqs, each offering curated multiple-choice questions to sharpen your Basic GK knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is a compound?

A. Ammonia
B. ozone
C. Air
D. mercury
Answer» B. ozone
2.

Metallic luster is found in which of the following non-metals?

A. Iodine
B. graphite
C. both (A) and (B)
D. none of these
Answer» D. none of these
3.

Which of the following is a bad conductor of electricity in spite of being a metal?

A. Lead
B. three
C. Copper
D. Nickel
Answer» B. three
4.

Elements that have properties of both metals and non-metals are called?

A. metalloids
B. slag
C. Alloy
D. All these
Answer» B. slag
5.

What is formed by mixing two or more pure substances in any ratio?

A. Liquid
B. solid
C. Mixture
D. gas
Answer» D. gas
6.

The substance formed by the combination of two or more elements in a definite proportion considering the quantity is called?

A. compound
B. Mixture
C. Liquid
D. elements
Answer» E.
7.

What is a substance made up of the same type of atoms called?

A. compound
B. Mixture
C. Liquid
D. elements
Answer» B. Mixture
8.

Which of the following is a good conductor of heat and electricity?

A. Diamond
B. Charcoal
C. graphite
D. Methane
Answer» D. Methane
9.

Rubber is a polymer of which of the following?

A. Isoprene
B. propene
C. ethylene
D. Acetylene
Answer» B. propene
10.

Which allotrope of carbon is used in making pencils?

A. Coke
B. Isoprene
C. graphite
D. Charcoal
Answer» D. Charcoal
11.

Name the hydrocarbon from which ethanol is made?

A. Methane
B. Butane
C. ethane
D. Benzene
Answer» D. Benzene
12.

What are diamond and graphite of carbon?

A. apocalyptic
B. isotopes
C. polymer
D. isomer
Answer» B. isotopes
13.

Which of the following is insoluble in water?

A. ethene
B. Glucose
C. ethanoic acid
D. Others
Answer» B. Glucose
14.

The cleaning work is done well by soap?

A. hard water
B. soft water
C. both types of water
D. All the statements are true
Answer» C. both types of water
15.

The boiling point of chloroform is?

A. 391K
B. 334K
C. 351K
D. 111K
Answer» C. 351K
16.

Which of the following is suitable for alcoholic drinks?

A. methanol
B. Ethanol
C. Hexenol
D. propanol
Answer» C. Hexenol
17.

Which of the following is an allotrope of carbon?

A. Diamond
B. Fullerene
C. graphite
D. all
Answer» E.
18.

Which of the following is a good conductor of electricity?

A. Ethanol
B. graphite
C. Diamond
D. alkene
Answer» C. Diamond
19.

The alloy of lead and tin is called?

A. Steel
B. metalloids
C. Gun Maton
D. solder
Answer» E.
20.

Which of the following non-metals are kept immersed in water?

A. Sulfur
B. White Phosphorus
C. Red Phosphorus
D. Iodine
Answer» C. Red Phosphorus
21.

Which of the following metals are kept immersed in kerosene?

A. Sodium
B. Magnesium
C. Zinc
D. all
Answer» B. Magnesium
22.

Which of these metals is found in liquid state?

A. Iron
B. Mercury
C. Silver
D. Others
Answer» C. Silver
23.

Silver and copper heat?

A. are the best drivers
B. are less conductors
C. are dielectrics
D. is the best conductor
Answer» B. are less conductors
24.

Gold is used to make jewelery?

A. 22 carats
B. 24 carat
C. 16 carats
D. 23 carats
Answer» B. 24 carat
25.

Which metal can be cut with a knife among sodium, lithium, calcium and nickel?

A. Sodium
B. Lithium
C. calcium
D. all
Answer» B. Lithium
26.

The producers formed by the combustion of magnesium are -

A. is acidic
B. is indifferent
C. alkaline
D. all
Answer» D. all
27.

Melting and boiling points of ionic compounds -

A. contains the following
B. are high
C. are normal
D. All the statements are true
Answer» C. are normal
28.

Which metal reacts with water?

A. gold
B. Potassium
C. Silver
D. Lead
Answer» C. Silver
29.

Food is cooked in a metal utensil because it is the source of heat.

A. is a good conductor
B. is a semiconductor
C. is a bad conductor
D. is both a conductor and a good conductor
Answer» B. is a semiconductor
30.

Which of these non-metals is shiny?

A. Carbon
B. Iodine
C. Sulfur
D. Bromine
Answer» E.
31.

Thin wires can be drawn from a piece of metal. Which property of the metal is it responsible for?

A. Tensile
B. hardness
C. malleability
D. conductivity
Answer» B. hardness
32.

Which metal floats when put in water?

A. Calcium
B. Nickel
C. Magnesium
D. Potassium
Answer» B. Nickel
33.

Which metal does not react with oxygen even at high temperature?

A. Iron
B. gold
C. Potassium
D. Aluminum
Answer» C. Potassium
34.

What is the percentage of carbon in steel?

A. 3 %
B. 4 %
C. 2 %
D. 5 %
Answer» D. 5 %
35.

Which gas is deposited at the anode on electrolysis of alumina?

A. Hydrogen gas
B. Nitrogen gas
C. carbon dioxide gas
D. Oxygen gas
Answer» E.
36.

Is it an ore of zinc?

A. Zinc Blade
B. Bauxite
C. sodium chloride
D. Sinawar
Answer» B. Bauxite
37.

What is liberated when the base is dissolved in water?

A. (OH) - ion
B. H + ion
C. Both ions
D. No ion
Answer» B. H + ion
38.

What is the pH value of salts made from strong acids and weak bases?

A. more than 7
B. less than 7
C. Between 10 and 14
D. less than 14
Answer» C. Between 10 and 14
39.

What type of reaction is respiration?

A. exothermic reaction
B. combination reaction
C. oxidation-reduction reaction
D. two-decomposition reaction
Answer» B. combination reaction
40.

What are the substances that participate in a reaction?

A. consideration
B. Deductive
C. reactants
D. Oxidizer
Answer» D. Oxidizer
41.

Sodium chloride and water are formed by the reaction of sodium hydroxide and hydrochloric acid. What is this reaction?

A. neutralization
B. Disintegration
C. combination
D. precipitation
Answer» B. Disintegration
42.

Which of the following reactions always have pairs together?

A. combination and dissolution
B. precipitation and displacement
C. neutralization and displacement
D. Oxidation and degradation
Answer» E.
43.

What is the increase in the ratio of oxygen in a chemical reaction?

A. Reduction reaction
B. oxidation reaction
C. endothermic reaction
D. displacement reaction
Answer» C. endothermic reaction
44.

What type of reaction is corrosion?

A. Reduction reaction
B. precipitation reaction
C. oxidation reaction
D. combination reaction
Answer» D. combination reaction
45.

A mixture of silver nitrate in a salt solution produces a curd-like substance. What is this reaction?

A. Displacement
B. neutralization
C. combination
D. precipitation
Answer» C. combination
46.

Which of the following is not oxidation?

A. precipitation
B. Digestion of food
C. Respiration
D. combustion
Answer» B. Digestion of food
47.

Which of the following is not oxidized?

A. combustion
B. precipitation
C. Digestion of food
D. Respiration
Answer» C. Digestion of food
48.

Which of the following drugs is used to treat indigestion?

A. Antacid
B. Antibiotic
C. Analgesic
D. Antiseptic
Answer» B. Antibiotic
49.

What type of indicator is turmeric, litmus paper etc.?

A. synthesized
B. Natural
C. Natural and synthesized
D. Others
Answer» C. Natural and synthesized
50.

What substance is formed by the action of chlorine gas on dry quenched lime?

A. calcium chloride
B. bleaching powder
C. Hydrochloric acid
D. Water
Answer» C. Hydrochloric acid