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9th Chemistry Important Points MCQs Test
Aziz
June 11, 2021
4:48 pm
Enter email to receive results:
1.
Corrosion of metals is a .................reaction
Redox
None of them
Direct
Indirect
2.
The sum of masses of all atoms in a molecule is called
Molecular mas
Atomic mass
Gas
None of them
3.
Chemical reactions involve migration of
Electrons
Protons
None of them
Neutrons
4.
The electro planting prevents
Both oxidation and reduction
None of them
Reduction
Oxidation
5.
In a group the elements have almost same
Physical character
Both physical and chemical character
None of them
Chemical character
6.
..............is homogenous mixture of two or more substances
both of them
None of them
Solution
Solvent
7.
The Atoms can exist freely in nature
Always
Never
None of them
Some exist and some do not
8.
Oxidation is the process of adding oxygen and removing
Corban dioxide
Hydrogen
Nitrogen
None of them
9.
When a covalent bound is formed by two electron pair termed as a
None of them
Double covalent bond
Dual Covalent bond
Covalent bond
10.
Chemistry is the branch of science that deals with
Gas
None of them
Atom
Matters
11.
Manometer is used for the determination of
None of them
Pressure
Length
Volume
12.
The different forms of element are called
None of them
Isotopes
Allotropes
Molecule
13.
The KCI has the type of bonding
Ionic
None of them
Metallic
Covalent
14.
The most electronegative element in periodic table is
None of them
Water
Gold
Fluorine
15.
The matter exists in
4 different sates
2 different sates
None of them
3 different sates
16.
Neil Bhor mainly concentrated upon
Behavior of electrons
Protons
None of them
Neutrons
17.
The air is a
matter
Solution
None of them
both of them
18.
When a covalent bound is formed by a single electron pair termed as a
Single covalent bond
Covalent bond
Dual Covalent bond
None of them
19.
The Atom is a Greek word
Small Particle
Small piece
None of them
Indivisible
20.
Steel is the alloy of
Iron chromium and Nickle
Iron and mercury
None of them
Mercury and copper
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Category :
Chemistry
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