Forum

Demand

What is demand function? 

09/11/2024

Economics

11th (Commerce)

Demand

What is income elasticity of demand? 

09/11/2024

Economics

11th (Commerce)

Demand

What is demand?

09/11/2024

Economics

11th (Commerce)

Demand

What is the other name for poor quality commodities? 

09/11/2024

Economics

11th (Commerce)

Demand

Factors  affecting demand can be classified in to how many categories? 

09/11/2024

Economics

11th (Commerce)

Demand

How is the demand curves sloped? 

09/11/2024

Economics

11th (Commerce)

Atoms and molecules

Calculate the molar mass of the following substances.
(a) Ethyne, C2H2
(b) Sulphur molecule, S8
(c) Phosphorus molecule, P4 (Atomic mass of phosphorus = 31)
(d) Hydrochloric acid, HCl
(e) Nitric acid, HNO3

09/11/2024

Science

9th

Atoms and molecules

Give the names of the elements present in the following
compounds.
(a) Quick lime
(b) Hydrogen bromide
(c) Baking powder
(d) Potassium sulphate.

09/11/2024

Science

9th

Atoms and molecules

Write the chemical formulae of the following.
(a) Magnesium chloride
(b) Calcium oxide
(c) Copper nitrate
(d) Aluminium chloride
(e) Calcium carbonate.

09/11/2024

Science

9th

Atoms and molecules

What are polyatomic ions? Give examples.

09/11/2024

Science

9th