Main constituent of dolomite is __________________?
Main constituent of dolomite is __________________?
A. CaCO3
B. MgCO3
C. K2CO3
D. Na2CO3
Similar Posts
Percentage of glycerene present in the spent lye obtained during soap manufacture is about
Question: Percentage of glycerene present in the spent lye obtained during soap manufacture is about
[A].0.5 [B].
5 [C].
20 [D].
35 Answer: Option B
Explanation:
No answer description available for this question.
Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
Question: Alum [Al2(SO4)3] is used as a coagulant in water treatment to remove
[A].colour [B].
turbidity [C].
bacteria [D].
all (a), (b) and (c) Answer: Option D
Explanation:
No answer description available for this question.
Flash point of most vegetable oils is about _______________ °C ?
Flash point of most vegetable oils is about _______________ °C ?A. 50
B. 100
C. 200
D. 300Nitrogen is an essential component of ____________________?
Nitrogen is an essential component of ____________________?A. Mineral salts
B. Carbohydrates
C. Fats
D. ProteinsBromine is used in the preparation of
Question: Bromine is used in the preparation of
[A].fire extinguishing compounds. [B].
fire proofing agents. [C].
dyes and antiknock compounds. [D].
all (a), (b) and (c). Answer: Option D
Explanation:
No answer description available for this question.
Separation of fresh water from sea water can be done by the _______________ operation ?
Separation of fresh water from sea water can be done by the _______________ operation ?A. Osmosis
B. Reverse osmosis
C. Absorption
D. Adsorption