Silica gel and alumina are used as __________________?

Related Mcqs:

1. In network of silica (SiO2) each silicon atom is surrounded by _____________ atoms of osygen?

   A. 4
   B. 2
   C. 1
   D. 6

2. Silicon differ from silica by a group of__________________?

   A. Ch3
   B. OH
   C. OCH3
   D. O2

3. Without suction pump filtration is __________________?

   A. Fast process
   B. Slow process
   C. Rapid process
   D. All are possible

4. 1 a.m.u =__________________?

   A. 1.6 x 10-27 kg
   B. 1.6 x 10-24 kg
   C. 1.6 x 10-26 kg
   D. 1.6 x 10-28 kg

5. Across short period the melting and boiling point increase upto __________________?

   A. IIIA group
   B. IVA group
   C. VA group
   D. VIA group

6. Water has maximum density at __________________?

   A. 0°C
   B. 2°C
   C. 4°C
   D. 100°C

7. Which of the following is the best explanation that CO2 is non polar molecule __________________?

   A. Linear geometry
   B. Dipole moment is zero
   C. Sp hybridization
   D. None

8. Bond order for N2 molecule is __________________?

   A. 2
   B. 1
   C. 3
   D. 4

9. Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?

   A. Degenerate orbitals
   B. Generate orbitals
   C. Hybrid orbitals
   D. Zeeman orbitals

10. The composition of mixture of clay and lime stone in the raw for cement material is __________________?

    A. 75% lime stone and 25% clay
    B. 25% lime stone and 75% clay
    C. 15% lime stone and 55% clay
    D. 55% lime stone and 15% clay