Class 10Acid, Bases and Salts

complete the given reaction

• CaOCl2

• CaOCl2 + H2O

• CaCl2 + H2O

• CaCl2 + O2

write the correct state

• aq,aq,aq,l,g

• aq,aq,aq,aq,l

• aq,l,aq,g,l

• aq,aq,aq,g,l

what is soda ash?

• NaHCO3

• Na2CO3

• Na2CO3.10H2O

• NaOH

Fill in the blank

• NH3+CO2+H2O

• CO2+H2O

• NaOH+CO2

• none of these

Balance the chemical equation

• 2,2,2,2,2

• 2,1,2,1,2

• 2,2,2,1,1

• 2,2,2,2,1

Identify parent acid and base of
Magnesium Sulphate

• 
• 
• 
• 

which of tthe following is not a use of Bleaching powder

• It is used a disinfectant

• It is used as a decoulourising agent

• It is an used as an oxidising agent

• it is used as washing soda

complete the reaction

• Zn2SO4

• ZnSO4 + H2O

• ZnSO4 + H2

• Zn2SO4 + H2

complete the following reaction

• i) CaCO3 (aq)
  ii) Ca(HCO3)2 (aq)

• i) CaCO3 (s)
  ii) Ca(HCO3)2 (aq)

• i) CaCO3 (aq)
  ii) Ca(HCO3)2 (s)

• i) CaCO3 (s)
  ii) Ca(HCO3)2 (s)

What is the chemical formula for baking soda?

• CaCO3

• NaHCO3

• Na2CO3

• NaOH