The chemical name of chalk is

Related Mcqs:

1. Oxidation is a chemical reaction involving the __________?

   A. Gain of Electrons
   B. Loss of Electrons
   C. Gain of Protons
   D. Loss of Protons

2. Laughing gas has chemical composition of following two elements ?

   A. Nitrogen + Hydrogen
   B. Nitrogen + Carbon
   C. Nitrogen + Oxygen
   D. Oxygen + Carbon
   E. None of these

3. The chemical name of Laughing gas is___________?

   A. Nitric oxide
   B. Nitrogen dioxide
   C. Nitrogen pentoxide
   D. Nitrous oxide

   Submitted by: Iram Saleem

4. Chemical Name of Dry Ice?

   A. Solid Carbon Dioxide
   B. Calcium Carbon
   C. A&B
   D. Sodium Oxide

   Submitted by: Farman Aijaz

5. Which one of the following represents a chemical change_________?

   A. Sublimation of iodine
   B. Heating a platinum wire in a Bunsen flame
   C. Heating of mercuric oxide powder
   D. Evaporation of alcohol

   Submitted by: Aamir Hussain Laghari

6. The chemical name of bauxite _______ ?

   A. Aluminium Oxide
   B. Aluminium Chloride
   C. Aluminium Sulphite
   D. None of the above

   Submitted by: Rashid Mehmood

7. What is the chemical name of vitamin E?

   A. Calciferol
   B. Tocopherol
   C. Riboflavin
   D. Phylloquinone

   Submitted by: Aamir Hussain Laghari

8. Which of the following is not a chemical reaction ?

   A. Burning of coal
   B. Conversion of water into steam
   C. Digestion of food
   D. Burning of paper

   Submitted by: Mansoor Ahmed Suhag

9. What is the chemical formula for Sodium carbonate _______ ?

   A. Na3CO2
   B. CNa2O3
   C. Na2CO3
   D. Na3CO3

   Submitted by: Rashid Mehmood

10. What is the chemical name of Oil of Vitriol?

    A. Hydrochloric Acid
    B. Sulphuric Acid
    C. Nitric Acid
    D. Muriatic Acid

    Submitted by: Shaan Ahmed