Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 6

MEDIUM

9th Manipur Board

IMPORTANT

Earn 100

Explain the difference between $2 N$ and $N_{2}$ .

Important Questions on Symbols, Formulas and Equations

MEDIUM

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 7

Define the molecular mass of a substance.

MEDIUM

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 8

Calculate the molecular masses of Ethane

(C_{2} H_{6})

.

HARD

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 8

Calculate the molecular masses of Calcium carbonate

({CaCO}_{3})

.

HARD

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 8

Calculate the molecular masses of Copper sulphate

({CuSO}_{4})

.

HARD

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 8

Calculate the molecular mass of Ethanol

(C_{2} H_{5} OH)

.

HARD

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 8

Calculate the molecular masses of Acetic acid

({CH}_{3} COOH)

.

MEDIUM

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 8

Calculate the molecular masses of Ferrous sulphate(hydrated)

({FeSO}_{4} . 7 H_{2} O)

.

HARD

9th Manipur Board

IMPORTANT

Science for Class 9>Chapter 4 - Symbols, Formulas and Equations>EXERCISES>Q 9

Translate the following statements into chemical equations and then balance the equations.

Chlorine gas burns in hydrogen gas to give hydrogen chloride.