Litharge is________________?
Litharge is________________?
A. Lead oxide
B. Zinc oxide
C. Zinc sulphide
D. Cellulosic photographic material
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Fumigant insecticides
Question: Fumigant insecticides
[A].kill insects, when they eat it. [B].
emit poisonous vapour. [C].
are absorbed throughout the plant. [D].
none of these. Answer: Option B
Explanation:
No answer description available for this question.
The function of gypsum addition during cement making is to_________________?
The function of gypsum addition during cement making is to_________________?A. Increase the density of cement
B. Decrease the cement setting rate
C. Both A. and B.
D. Neither A. nor B.Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
Question: Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
[A].lead [B].
borosilicate [C].
soda lime [D].
alkali silicate Answer: Option B
Explanation:
No answer description available for this question.
Which form of sulphur is the most stable at room temperature ?
Which form of sulphur is the most stable at room temperature ?A. Plastic
B. Monoclinic
C. Rhombic
D. Flowers of sulphurIn the production of soda ash by Solvay process, the by-product is____________________?
In the production of soda ash by Solvay process, the by-product is____________________?A. CaCl2
B. NH4Cl
C. NH3
D. NaOHHydrocynic acid (HCN) is used as an insecticide for
Question: Hydrocynic acid (HCN) is used as an insecticide for
[A].controlling timber degradation by ants [B].
controlling poultry lice [C].
potato beetle [D].
citrus fruits Answer: Option D
Explanation:
No answer description available for this question.