Question Text
Question 1 :
A stream of particles emerging from anode and travelling towards cathode are called cathode rays.
Question 4 :
When ferrous sulphide is mixed with dilute acid, it gives a pleasant odour.
Question 8 :
The rate of formation of a solution can be increased by stirring.
Question 9 :
Look at the picture carefully and answer the following questions<br><img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%208/5fe4dd45b46ca315374dc1ce" /><br>What is the maximum number of electrons each shell can hold?
Question 10 :
An element with a valency of 1 is said to be monovalent.
Question 12 :
Centrifugation is used to separate the components of a mixture based on the
Question 17 :
Food grains can be stored in an atmosphere of ________ to protect them from insects.
Question 20 :
Metals are arranged in the increasing order of their reactivity in the metal activity series.