The chemical name of quartz is:

Related Mcqs:

1. Quartz crystal in quartz watches work on the principle called?

   A. Photoelectric effect
   B. Stark effect
   C. Thermionic effect
   D. Piezo-electric effect
   E. None of these

2. Oxidation is a chemical reaction involving the __________?

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

3. 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

4. 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

5. The chemical name of bauxite _______ ?

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

   Submitted by: Rashid Mehmood

6. What is the chemical name of vitamin E?

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

   Submitted by: Aamir Hussain Laghari

7. 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

8. What is the Chemical formula of Zinc Hydroxide _________ ?

   A. Zn(OH)2
   B. ZNO2
   C. Zn2(OH)3
   D. ZnOH

   Submitted by: Rashid Mehmood

9. Chemical formula for Water is _______ ?

   A. NaAlO2
   B. H2O
   C. Al2O3
   D. CaSiO3

   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