Glass is made of the mixture of______________?
Glass is made of the mixture of______________?
A. Quartz and Mica
B. Sand and Salt
C. Sand and Silicates
D. None of these
Glass is made of the mixture of______________?
A. Quartz and Mica
B. Sand and Salt
C. Sand and Silicates
D. None of these
Which woody raw material is used for the manufacture of paper pulp?
A. Cotton
B. Poplar
C. Bagasse
D. Rice straw
A. Smell
B. Feel
C. Touch
D. Hear
A. Stars
B. Comets
C. Asteroids
D. None of these
A. Solid Carbon Dioxide
B. Calcium Carbon
C. A&B
D. Sodium Oxide
A. saponification
B. hydrolysis
C. condensation
D. polymerisation
A. Na3CO2
B. CNa2O3
C. Na2CO3
D. Na3CO3