A. -53
B. -103
C. -183
D. -196
A. Making oxygen
B. Producing helium
C. Mining sulphur
D. Making nitrogen
Frasch process is for______________________? Read More »
Chemical Process A. Sulfadiazine
B. Mestranol
C. Methyl salicylate
D. Penicillin
The drug used in contraceptives is____________________? Read More »
Chemical Process A. Monomer
B. Synthetic rubber
C. Polyester
D. None of these
Neoprene is a__________________? Read More »
Chemical Process A. Glycerine
B. Salt petre
C. Nitro glycerine
D. Dynamite
A. 2000
B. 700
C. 1100
D. < 500
High temperature carbonisation of coal takes place at __________________ °C? Read More »
Chemical Process A. Cellulose nitrate
B. Regenerated cellulose nitrate
C. Cellulose acetate
D. Regenerated cellulose acetate
Viscose rayon is chemically___________________? Read More »
Chemical Process A. Require lower initial investment
B. Require more power
C. Produce lower concentration NaOH
D. None of these
A. 1 – 2
B. 15 – 20
C. 50 – 60
D. 80 – 85
A. Cleaning power booster
B. Anti-redeposition agent
C. Corrosion inhibitor
D. Fabric brightener
Builders are added in soap to act as___________________? Read More »
Chemical Process