The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?

Related Mcqs:

1. Acid present in acid rain may be_________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none of the above

2. Acid present in acid rain may be__________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none

3. The common thing in phthalic acid and oxalic acid is that both are_________________?

   A. Aromatic
   B. Dicarboxylic
   C. Hydrocarbons
   D. Strong acids

4. Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?

   A. Phosphine
   B. Phosphorus
   C. Water
   D. Phosphorus pentoxide

5. Phosphoric acid is a weak acid and its basicity is____________________?

   A. 1
   B. 3
   C. zero
   D. 2

6. When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?

   A. an acid
   B. a dehydrating agent
   C. an oxidizing agent
   D. as sulphonating agent

7. Which of the following will give phosphoric acid one reaction with water_________________?

   A. PCI5
   B. P2O3
   C. P2O5
   D. All of the above

8. An acid-Base Reaction is always a/an __________?

   A. Endothermic
   B. Exothermic
   C. Fission
   D. Fusion

   Submitted by: Aamir khan Hullio

9. moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

   A. 0.18 mole
   B. 0.27 mole
   C. 0.24 mole
   D. 0.09 mole

10. Solution having the property of a very little change in pH on adding a small amount of strong acid or base is called________________?

    A. buffer solution
    B. normal solution
    C. standard solution
    D. neutral solution