CHEMISTRY SEMINAR RELATED QUESTIONS

Crude sodium chloride is generally obtained by ______

Name three metal ions which play important role performing several biological functions in the animal body

• Co2+, K+, Li+

• Na+, K+, Ca2+

• Na+,Cu2+, Mg2+

Which compound is used as common salt or table salt for domestic purpose?

• Sodium Carbonate

• Sodium Chloride

• Sodium Hydroxide

• Sodium Hydrogencarbonate

What is the another name for sodium carbonate?

Name the process used in industries for making sodium carbonate?

What is the formula for sodium carbonate?

• NH₄OH

• Na₂CO₃

• Na2CO3 . 10H2O

• HNO₃

The Cathode and Anode of the Sodium Hydroxide Contains ?

• Sodium

• Merucury

• Bauxite

• Copper

• Carbon

______ reacts with carbon dioxide in atmosphere to get sodium carbonate

• Sodium Hydroxide

• Sodium Hydrogencarbonate

• Sodium Chloride

• Sodium Carbonate

Sodium Hydrogen Carbonate is also known as

• Common Salt

• Caustic Soda

• Baking Soda

• Washing Soda

A typical 70kg man contains about......

• 70g K , 90g Na , 0.06g Cu, 5g iron

• 170g K , 90g Na, 0.6g Cu, 5g iron

• 170g K , 90g Na, 0.06g Cu 5g iron

• 17g K , 0.6 g Na, 90gC,

  5g iron