XI Chemistry Mcqs
Fundamental Concepts of Chemistry – Chapter # 01 – Test 03
- Question 1 of 101. The empirical formula of Glucose:
Right Answer! Good
Wrong Answer Correct Answer is : CH2O
- Question 2 of 102. 45.000 has ____________ significant figures:
Right Answer! Good
Wrong Answer Correct Answer is : Two
- Question 3 of 103. What is the new international standard adopt atomic mass:
Right Answer! Good
Wrong Answer Correct Answer is : C12
- Question 4 of 104. According to modern concept all ordinary matter is composed of externally tiny particles called:
Right Answer! Good
Wrong Answer Correct Answer is : Elements
- Question 5 of 105. 16gm of O2 contains:
Right Answer! Good
Wrong Answer Correct Answer is : 3.01 x 1023 molecules
- Question 6 of 106. In S.I system, the unit of volume is:
Right Answer! Good
Wrong Answer Correct Answer is : dm3
- Question 7 of 107. The -ve charged particles is called:
Right Answer! Good
Wrong Answer Correct Answer is : Anion
- Question 8 of 108. When an excess of dry chlorine was passed over 1.12 g of heated iron, 2.25 g of chloride of iron was obtained. What is the empirical formula of chloride:
Right Answer! Good
Wrong Answer Correct Answer is : FeCl3
- Question 9 of 109. The atom consists of still smaller particles, the most important of which are:
Right Answer! Good
Wrong Answer Correct Answer is : Protons
- Question 10 of 1010. A combination of two or more atoms that can exist independently as a separate distinguishable unit is called:
Right Answer! Good
Wrong Answer Correct Answer is : Molecule