Which one of the following represents a chemical change_________?

Related Mcqs:

1. The distance of longitude represents how many minutes difference in time?

   A. 10 minutes B. 4 minutes C. 15 minutes D. 1 minute Submitted by: Mansoor Ul Haque...

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. 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...

4. The chemical name of quartz is:

   A. Silicon Dioxide B. Stannous Oxide C. Aluminium Oxide D. None...

5. The chemical name of Laughing gas is___________?

   A. Nitric oxide B. Nitrogen dioxide C. Nitrogen pentoxide D. Nitrous oxide Submitted by: Iram Saleem...

6. Chemical Name of Dry Ice?

   A. Solid Carbon Dioxide B. Calcium Carbon C. A&B D. Sodium Oxide Submitted by: Farman Aijaz...

7. The chemical name of “Acid” (Tezaab) is___________?

   A. Sulfuric acid B. Sodium chloride C. Citric Acid D. None of these Submitted by: Saeed Ahmed Brohi...

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 chemical symbol for Tungsten?

    A. Z B. T C. Tn D. W Submitted by: Munwar Ali Sohu...