Related Questions

The amount of benzene present in pure benzol is about __________ percent.
A 30
B 50
C 70
D 90
Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.
A 80-170
B 200-300
C 250-270
D 280-300
Main constituents of benzol are
A benzene, toluene & xylene
B tar & creosote
C anthracene & phenol
D ammonia & phenol
Benzol is used
A As a motor fuel blend
B For producing benzene, tolune & xylene by its distillation
C Both A & B
D Neither A nor B
The most suitable vessel for storing concentrated sulphuric acid is
A Copper vessel
B Aluminium vessel
C Glass vessel
D Earthen vessel
Two glasses of equal volume respectively are half and three - fourths filled with milk. They are then filled to brim by adding water. Their contents are then poured into another vessel. What will be the ratio of milk to water in this vessel ?
A 1 : 3
B 2 : 3
C 3 : 2
D 5 : 3
a chemial is mixed 30 ml mixed , 10 ml is acid , how much ml of acid must be mixed such that a 50/50 mixure of water and acid is attend if no additional water is added
A 20
B 10
C 40
D 30
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
A Steady flow
B Turbulent flow
C Vortex flow
D Uniform flow
An open vessel of water is accelerated up an inclined plane. The free water surface will
A be horizontal
B make an angle in direction of inclination of inclined plane
C make an angle in opposite direction to inclination of inclined plane
D any one of above is possible
The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?
A Two normal
B One normal
C 0.5 normal
D Four normal

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