Stoichiometry

Fireclay bricks is not used for lining the_______________?

Byadmin March 4, 2019August 24, 2021

Fireclay bricks is not used for lining the_______________?

A. Cupola
B. Gas producer
C. Bottom of hot metal mixer
D. Roof of open hearth furnace

Stoichiometry

The heat of solution depends upon the____________________?

The heat of solution depends upon the____________________?

A. Nature of solvent
B. Concentration of solution
C. Nature of solute
D. All A., B. & C.

Read More The heat of solution depends upon the____________________?
Stoichiometry

Volume occupied by one gm mole of a gas at S.T.P. is ____________________?

Volume occupied by one gm mole of a gas at S.T.P. is ____________________?

A. 22.4 litres
B. 22400 litres
C. 22.4 c.c
D. 359 litres

Read More Volume occupied by one gm mole of a gas at S.T.P. is ____________________?
Stoichiometry

In the reaction, Ca + 2H2O = Ca(OH)2 + H2; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (Atomic weight of calcium = 40) ?

In the reaction, Ca + 2H2O = Ca(OH)2 + H2; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (Atomic weight of calcium = 40) ?

A. 4480
B. 2240
C. 1120
D. 0.4

Read More In the reaction, Ca + 2H2O = Ca(OH)2 + H2; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (Atomic weight of calcium = 40) ?
Stoichiometry

Weight of 56 litres of ammonia at N.T.P. is _____________ gm?

Weight of 56 litres of ammonia at N.T.P. is _____________ gm?

A. 2.5
B. 42.5
C. 56
D. 2800

Read More Weight of 56 litres of ammonia at N.T.P. is _____________ gm?
Stoichiometry

If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?

If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?

A. 27
B. 54
C. 5.4
D. 2.7

Read More If 1.5 moles of oxygen combines with aluminium to form Al2O3, then the weight of aluminium (atomic weight = 27) used in this reaction is __________ gm?
Stoichiometry

6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ______________ gm?

6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ______________ gm?

A. 0.5
B. 1
C. 3
D. 5

Read More 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ______________ gm?

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