When Ammonia is used as a refrigerant in vapour compression cycle?

Byadmin April 3, 2020December 1, 2021

When Ammonia is used as a refrigerant in vapour compression cycle?A. Cu Tubing used
B. Steel tubes used
C. Both a & b
D. Material does not effect by refrigerant

Chemistry Basic Concept | Chemistry Mcqs

Benzene is a good solvent for__________________?

Benzene is a good solvent for__________________?

A. fats
B. resins
C. iodine
D. all the above

Read More Benzene is a good solvent for__________________?
Chemistry Mcqs

A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?

A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?

A. 24
B. 32
C. 36
D. 40

Read More A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?
Chemistry Mcqs

The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

A. 0.12g
B. 0.16g
C. 0.18g
D. 0.24g

Read More The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?
Chemistry Mcqs | Liquids and Solids

The density of water may be__________________?

The density of water may be__________________?

A. Equal to that of ice
B. Greater than that of ice
C. Less than that of ice
D. All are possible

Read More The density of water may be__________________?
Chemistry Mcqs | Group III A and IVA Elements

Which element can form tripositive ion ?

Which element can form tripositive ion ?

A. Beryllium
B. Carbon
C. Silicon
D. Aluminium

Read More Which element can form tripositive ion ?
Chemistry Mcqs

The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?

The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?

A. 0.065gm
B. 0.65gm
C. 6.5gm
D. 7.5gm

Read More The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?

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