Question

ysical chemistry is: b) Gram atomic mass 1 (c) Organic chemistry gram 2. The atomic mass of an element expressed in (a) Gram molecular mass (d) Mole (c) Gram formula mass 3. Which of the following can be separated by physical means? (b) Element (a) Mixture (d) Substance (c) Compound The molar mass of H2SO is: (a) 98 a.m.u (b) 9.8gm (c) 98gm (d) 9.8 a.m.u 5. The Molecule consist of two atoms is : (a) Monoatomic molecule (b) Polyatomic molecule (c) Hetero atomic molecule (d) Di atomic molecule 6. A formula that indicates actual number and type of atoms in a molecule is called (a) Chemical formula (b) Empirical formula (c) Molecular formula (d) Formula mass 7. Ethyl alcohol was prepared by: (a) Ibne-Sina (b) Al-Razi (c) Al-Beruni (d) Jaber bin-Hayan 8. which of the following is Not a homo atomic: (a) H (b) NH3 (c) HO (d) CO​

Answer 1

Explanation:

1. Physical chemistry: Study of macroscopic properties of substances in a chemical system.        

2. The atomic mass of an element expressed in - (c) Gram formula mass

3. Which of the following can be separated by physical means?- (a) Mixture

4. The molar mass of H₂SO₄ is - (c) 98gm

5. The Molecule consist of two atoms is -  (d) Diatomic molecule

6. A formula that indicates the actual number and type of atoms in a molecule is called - (c) Molecular formula

7. Ethyl alcohol was prepared by - (d) Jaber bin-Hayan  

8. which of the following is Not a homo atomic - (b) NH₃