- Chemistry - Home
- Matter In Our Surroundings
- Is Matter Around Us Pure
- Chemistry - Atoms & Molecules
- Chemistry - Structure Of The Atom
- Chemical Reactions and Equations
- Chemistry - Acids, Bases, and Salts
- Materials: Metals and Non-Metals I
- Chemistry - Metals & Non-Metals II
- Carbon & its Compounds
- Periodic Classification Of Elements
- Synthetic Fibres and Plastics
- Chemistry - Coal And Petroleum
- Chemistry - Combustion And Flame
Chemistry Part 1 Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Chemistry. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - The process by which liquid can be purified by means of heating and cooling is known as
Answer : B
Explanation
N/A
Q 2 - Which among the following is used in the formation of mustard gas?
Answer : A
Explanation
Chlorine is also used in the formation of bleaching powder.
Q 4 - Consider the following statements:
1. The pH scale measures how acidic or basic a substance is.
2. The pH scale ranges from 0 to 7.
Choose the correct answer from the codes given below:
Answer : A
Explanation
The pH scale ranges from 0 to 14.
Q 5 - In a modern periodic table, the horizontal line is known as
Answer : C
Explanation
N/A
Q 6 - The chemical name of blue vitriol is
Answer : C
Explanation
N/A
Q 7 - The substance that removes the excess acid and raise the pH value to appropriate level in stomach is known as
Answer : A
Explanation
N/A
Q 8 - What is chemical name of Hypo?
Answer : C
Explanation
N/A
Answer : A
Explanation
N/A
Q 10 - Which among the following is used to make water proof and stainless clothe?
Answer : A
Explanation
The chemical formula of aluminum hydroxide is Al(OH)3.
Answer : B
Explanation
Atomic number of Astatine is 85.
Q 12 - Which among the following is used in killing rats?
Answer : A
Explanation
The chemical formula of zinc phosphide is Zn3P2.
Q 13 - Which among the following is also known as pearl ash?
Answer : A
Explanation
The chemical formula of potassium carbonate is K2CO3.
Q 14 - Pure water is a poor conductor of electricity because
B - Its boiling point is very low
Answer : A
Explanation
Pure water does not have free electrons to move freely and conduct electric charge.
Answer : C
Explanation
Atomic number of Osmium is 76.
Q 16 - Consider the following statements:
1. The amount of energy released during the formation of one mole of an ionic compound from its constituent ions is known as Lattice energy.
2. The amount of energy released during the dissolution of one mole of a compound into water, is known as hydration energy.
Choose the correct answer from the codes given below:
Answer : C
Explanation
N/A
Q 17 - Which one of the following is used in pencil?
Answer : A
Explanation
Normally, pencil cores are manufactured of graphite mixed with a clay binder that leaves grey or black marks, which can be easily erased.
Q 18 - Which among the following is used in rubber eraser?
Answer : A
Explanation
N/A
Q 19 - The process by which metals are refined is known as
Answer : C
Explanation
Metals are heated on very high temperature to purify the impurities.
Q 20 - Consider the following statements:
1. A pH value equivalent to 7 is neutral.
2. A pH value less than 7 is basic.
Choose the correct answer from the codes given below:
Answer : A
Explanation
A pH value less than 7 is acidic and greater than 7 is basic.