Reflective Students Bond Page

25/05/2021

A physics Class Room Teacher

28/04/2021

25/04/2020

14. In extraction of iron, calcium oxide is used to remove..
a. Iron impurities
b. Dull nature of the iron
c. Silicon impurities
d. Silica impurities

25/04/2020

13. All are not important compounds except…
a. CaCO3
b. CaF2
c. CaSO4
d. CaC2

25/04/2020

12. A mixture of slaked lime and sand is called
a. Paste
b. Mortar
c. Sticked bricks
d. Sand does not take part in the formation.

25/04/2020

11. Suspension of slaked lime in water is Called
a.Lime kiln
b. Lime water
c. Milk lime
d. Quick lime

25/04/2020

10. Cement is obtained by heating a mixture of Limestone and Clay containing....
a. Si2O and CO
b. CaO and SiO2
c. SiO2 only
d. SiO2 and Aluminium Oxide

25/04/2020

9. The Full Meaning Of P.O.P is..........