9th Science

Motion | Class 9th Chapter 1

February 17, 2022 October 5, 2022 / By Muneer ul Islam Mir

Reference point and reference frame To describe the position of an object we need a …

February 13, 2022 October 5, 2022 / By Er. S.J Mir

Question 1. A 0.24 g sample of compound of oxygen and boron was found by …

February 9, 2022 October 5, 2022 / By Er. S.J Mir

Question 1. What is meant by a substance?Answer: A pure substance consists of a single …

February 8, 2022 February 8, 2022 / By Er. S.J Mir

1. When is an atom stable? A. When it has a full outer orbit. B. …

February 8, 2022 October 5, 2022 / By Er. S.J Mir

Question 1. Which of the following are matter? Chair, air, love, smell, hate, almonds, thought, …