CBSE Class 9 PSA Qualitative MCQs

CBSE Class 9 PSA Qualitative MCQs. Chapter wise Multiple Choice Questions (MCQs) are being given by teachers to students to make them understand the chapter concepts. Its extremely critical for all CBSE students to practice all MCQs which will help them in gaining better marks in examinations. All assignments available for free download on the website are developed by the best teachers having many years of teaching experience in CBSE schools all over the country. Students, teachers and parents are advised to download the CBSE study material. 

Q1. The most abundant element in the earth crust is

(a) iron (b)oxygen (c)silicon (d) Aluminium

Q2. Which of the following properties is generally not shown by metals?

(a) Ductility Sonorous  (b) Dullness (c) Electrical (d) conduction

Q3. An alloy is

(a) a compound (b) a heterogeneous mixture (c) a homogeneous mixture (d) an element

Q4. Alloys are homogeneous mixtures of a metal with a metal or non-metal. Which among the following alloys contain non-metal as one of its constituents?

(a) Amalgam (b) Brass (c) Bronze (d) steel

Q2.

1. Atomic number

2. Atomic mass

3. Atomic mass scale

4. Number of electrons

 

Q3. Atomic mass of calcium is 40. The mass of 2.5 gram atoms of calcium is _______.

1. 40 g

2. 2.5 g

3. 100 g

4. 80 g

 

Q4. One mole of H₂O corresponds to

1. 22.4 litre at 1 atm and 25⁰C

2. 6.02 x 10²³ atoms of hydrogen and 6.02 x 10²³ atoms of oxygen

3. 18 g

4. 1 g