Assignment Details

Chemistry

1486 minutes

Apr 27, 1:14 PM

120.0 marks

MCQ

30 questions

D.J SARKAR

MARKETING MANAGER IN SALES PROFESSION FOR 15 YEARS YOGA KARATE AND GYMNASTICS INSTRUCTOR ACADEMIC TEACHER FOR SEVEN YEARS EXPERIENCE SUBJECT CHEMISTRY MATHEMATICES AND BIOLOGY

Class Details

Inorganic Chemistry

SPECIAL CLASS

Inorganic Chemistry

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Question Text

Question 1 :
Click and choose the correct option. Combination reaction is also known as ___________ reaction.

Question 2 :
Click and choose the correct option. When electricity is passed through acidified water, it decomposes to give _______ and oxygen.

Question 3 :
Click and choose the correct option. Attractive forces that hold atoms or ions together to form molecules or compounds are called __________ bonds.

Question 4 :
Click and choose the correct option. When a piece of magnesium ribbon is burned, it forms a white powder of __________.

Question 5 :
Click and choose the correct option. A neutralization reaction is a type of ____________ in which an acid and a base react together to form a salt and water.

Question 6 :
Click and choose the correct answer. Chemical reactions in which heat energy is evolved are called

Question 7 :
Click and choose the correct option. The substances produced because of a reaction are called ____________.

Question 8 :
Click and choose the correct option. When decomposition is carried out by heating, it is called _________.

Question 11 :
A stream of particles emerging from anode and travelling towards cathode are called cathode rays.

Question 14 :
When ferrous sulphide is mixed with dilute acid, it gives a pleasant odour.

Question 18 :
The rate of formation of a solution can be increased by stirring.

Question 19 :
Look at the picture carefully and answer the following questions <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%208/5fe4dd45b46ca315374dc1ce" /> What is the maximum number of electrons each shell can hold?

Question 20 :
An element with a valency of 1 is said to be monovalent.

Question 22 :
Centrifugation is used to separate the components of a mixture based on the

Question 27 :
Food grains can be stored in an atmosphere of ________ to protect them from insects.

Question 30 :
Metals are arranged in the increasing order of their reactivity in the metal activity series.

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