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A homogeneous mixture of two or more substances whose composition is not mixed and vary within the certain limit is known as…..

True solution
Ideal solution
A colloidal dispersion
A coarse mixture

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A gas deviates from ideal behavior at a high pressure because its molecules______

Attract one another
Show the Tyndall Effect
Have kinetic energy
Are bound by covalent bondsAnswer

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A device used to study chemical reactions electrically is known as….

electrolytic cell
Fuel cell
electro chemical cell
dry cell

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A current of I’ amperes is passed through the solution of an electrolyte for time t min, when ‘m’ g of a substance is liberated at the electrode. The electrochemical equivalent of the substance is equal to…..

m/ 60It
It/ 60m
It/m
m/It

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A current of 5 amperes when passed through a solution of AgNO, for 20 minutes deposited 6-0 x 10 kg of Ag. The Z for Ag is equal to…

6000 gm/C
1.0x 10 gm/C
1.0x 10 kg/C
96500 gm/C

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A conductivity cell dipped in 0.01 M AgNO3, solution at 25 C gives the resistance of 1442 2 Ω. If the conductivity of the cell is 248 x 10 9 Ω-1 cm-1 the cell constant is…….

2.6 cm-1
3.0 cm-1
4.7cm-1
1.8 cm-1

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A compound having a bond angle 180° is__________

alkyne
alkane
alkene
cycloalkane

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A compound contain 75% C and 25% H. It may be________

C2H2
C2H4
CH4
C6H6

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A compound alloy of gold and Cu crystallises in a cubic lattice in which the gold atoms occupy the lattice points at the corners of a cube and the copper atoms occupy the centres of each of the cube faces. What is the empirical formula of this compoun…

AuCu3
Au3Cu,
Au2Cu3
AuCu

Zabeehullah
Chemistry mcqs, Past Papers MCQs

A common metal which can be used for the extraction of metals from their oxides by reduction is

Co
Al
C
Fe

Zabeehullah
Chemistry mcqs, Past Papers MCQs

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