When an acid reacts with a metal, which one of the following gas is usually liberated?

Related Mcqs:

1. Which metal is called “metal of hope”?

   A. Uranium
   B. Titanium
   C. Gold
   D. Platinum

   Submitted by: Mir Turab Ali

2. The gas usually filled in the electric bulb is___________?

   A. Nitrogen
   B. Hydrogen
   C. Carbon dioxide
   D. Oxygen

   Submitted by: Muhammad Ali Kunbhar

3. The gas, commonly known as “laughing gas”, is

   A. Carbon Dioxide
   B. Sulfur Dioxide
   C. Nitrous Oxide
   D. Sodium Oxide

4. Which of the gas is not known as green house gas?

   A. Methane
   B. Nitrous oxide
   C. Carbon dioxide
   D. Hydrogen

   Submitted by: Farjan Ahmed Soomro

5. As comets get close to the sun, they start to “melt” and release gas and dust. This gas and dust forms what?

   A. “coma” around the comet’s nucleus and a long tail that points away from the sun
   B. “coma” that points away from the sun and a long tail around the comet’s nucleus
   C. Only “coma” around the comet’s nucleus
   D. Only a long tail that points away from the sun

   Submitted by: Muhammad Abdullah

6. Which of the following metal occurs in free state ______________?

   A. Lead
   B. Iron
   C. Mercury
   D. Copper

   Submitted by: WIQAR AHMAD

7. Which of the following is a Non Metal that remains Liquid at room temperature?

   A. Phosphorous
   B. Bromine
   C. Chlorine
   D. Helium

   Submitted by: Muhammad Ashhar khan

8. Which of the following are the ingredients of gun metal?

   A. Iron, Zinc and Titanium
   B. Iron and Tin
   C. Iron, Brass and Tin
   D. Copper, Tin and Zinc

   Submitted by: Muhammad Ali Kunbhar

9. Which of the following vitamin is known as Pantothenic acid?

   A. vitamin B-1
   B. vitamin B-2
   C. vitamin B-3
   D. vitamin B-5

   Submitted by: Malik Asghar Hussain

10. Which of the following acid is used in Ink?

    A. Valeric
    B. Acetic
    C. Formic
    D. Tannic

    Submitted by: Munwar Ali Sohu