Questions for practice
Chhattisgarh Board Science Solutions for Exercise - Questions for practice
Simple step-by-step solutions to Questions for practice questions of Structure of Matter from Science & Technology Class - VII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Questions for practice with Hints & Solutions
Write the chemical equation for the following reaction.
An atom of sulphur reacts with a molecule of oxygen to form a molecule of sulphur dioxide.
Write the chemical equation for the following reaction.
An atom of zinc combines with two molecules of hydrochloric acid to form a molecule of zinc chloride and a molecule of hydrogen.
Define the following.-
Element.
Define the following.
Compound.
Give three examples each of an element and a compound.
When substance A is heated, then two substances are formed. Explain with reasons if substance A is an element or a compound.
Explain the difference between:-
Mixture and compound.
Explain the difference between:-
Element and compound
