EPT

NAME OF THE STUDENT

ROLL NO.

1. If XCl2 is the formula , then what is the formula of nitrate of X?

• XNO3
• X(NO3)2
• X2(NO3)3
• X(NO3)3

2. What is the formula of Calcium bicarbonate?

• CaHCO3
• Ca(HCO3)3
• Ca(HCO3)2
• Ca2(HCO3)3

3. WHAT IS THE VALENCY OF PHOSPHOROUS IN P2O5?

• +5
• +4
• +3
• +1

4. WHAT IS THE NAME OF Na2O?

• SODIUM DIOXIDE
• SODIUM OXIDE
• SODIUM TRIOXIDE
• SODIUM TETROXIDE

5.WHAT IS THE NAME OF N2O3?

• NITROGEN TRIOXIDE
• NITROGEN TETROXIDE
• DINITROGEN TRIOXIDE
• DINITROGEN TETROXIDE