The balanced chemical equation for the reaction which occurs when Be is added to water is____________?

Related Mcqs:

1. The maximum amount of product obtained by balanced chemical equation is called as __________?

   A. Practical yield
   B. Theoretical yield
   C. Actual yield
   D. NOT

   Submitted by: Aamir khan Hullio

2. Consider the following redox reaction. Zn+dil HNO3? Zn (NO3)2 + N2O + H2O The coefficient number of HNO3 in the equation is__________________?

   A. 6
   B. 8
   C. 10
   D. 4

3. The easy way of balancing the chemical equation is_________?

   A. according to atom’s atomic number.
   B. According to atom’s atomic mass.
   C. First we balance Metal than non-metal than Hydrogen than Oxygen.
   D. None of the above

   Submitted by: Anees

4. When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?

   A. phenol is unsaturated
   B. 2-bromophenol is insoluble in water
   C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack
   D. acid-base reaction

5. The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?

   A. Bromine
   B. Fluorine
   C. Chlorine
   D. Sulphur

   Submitted by: Muhammad Ali Kunbhar

6. Centrifugal forces are balanced in atom by__________________?

   A. Attractive forces
   B. Repulsive force
   C. Electrons
   D. Neutrons

7. When the reaction completes in more than one steps rate of reaction will be determined by________________?

   A. Fast step
   B. Slowest step
   C. All steps
   D. Molecularity of the reaction

8. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O
   B. ClO2
   C. Cl2O6
   D. Cl2O7

9. Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

   A. Displacement reaction
   B. Double displacement reaction
   C. Disproportionation reaction
   D. Reduction reaction

10. What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?

    A. Zero
    B. One
    C. Two
    D. Three