Na2CO3 is called _________________?
Na2CO3 is called _________________?
A. Washing soda
B. Soda ash
C. Plaster of Paris
D. Calcite
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Silicon carbide is a/an_______________?
Silicon carbide is a/an_______________?A. Adhesive
B. Abrasive
C. Type of glass
D. Brittle materialWhich of the following fuel gases contains maximum amount of carbon monoxide ?
Which of the following fuel gases contains maximum amount of carbon monoxide ?A. Coke oven gas
B. Water gas
C. Blast furnace gas
D. L.D. converter gasNylon 66 is so named because the
Question: Nylon 66 is so named because the
[A].average degree of polymerisation of the polymer is 1966. [B].
number of carbon atoms between two nitrogen atoms are 6. [C].
number of nitrogen atoms between two carbon atoms are 6 [D].
polymer was first synthesised in 1966. Answer: Option A
Explanation:
No answer description available for this question.
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?A. Brighten the faint images
B. Remove metallic silver
C. Convert silver chloride to silver
D. Remove unexposed silver halideMajor component of flint glass is
Question: Major component of flint glass is
[A].lead oxide [B].
silica [C].
alumina [D].
soda Answer: Option A
Explanation:
No answer description available for this question.
__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.
Question: __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.
[A].Solvay [B].
Ostwald’s [C].
Haber’s [D].
none of these Answer: Option B
Explanation:
No answer description available for this question.