_________________ is not a constituent of gun powder?
_________________ is not a constituent of gun powder?
A. Carbon
B. Charcoal
C. Sulphur
D. Potassium nitrate
Similar Posts
Potassium is kept & transported under ___________________ ?
Potassium is kept & transported under ___________________ ?A. Water
B. Liquid ammonia
C. Kerosene oil
D. AlcoholNylon-6 as compared to Nylon-66 is having higher___________________?
Nylon-6 as compared to Nylon-66 is having higher___________________?A. Hardness
B. Abrasion/resistance
C. Melting point
D. None of theseExothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at _____________ °C ?
Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at _____________ °C ?A. 15-30
B. 90-100
C. 250-300
D. < 0Hydrazine (N2H4) is used mainly as a/an__________________?
Hydrazine (N2H4) is used mainly as a/an__________________?A. Explosive
B. Rocket fuel
C. Detergents additive
D. None of theseSolvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate ?A. Is prone to thermal decomposition
B. Has high water solubility and is unstable
C. Is soluble in ammonium chloride and potassium chloride solution
D. All A , B. and C.Polycaprolactam is commercially known as___________________?
Polycaprolactam is commercially known as___________________?A. Nylon-6
B. Nylon-66
C. Dacron
D. Rayon