More Classes

5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject

Chemistry Fsc Part 1 Chapter 2 Online Test MCQs With Answers

Question # 1

Several types of filter media are used for filtration depending on

Choose an answer

Natural of reactants

Nature of reaction

Size of precipitate

Nature of filter paper

Skip

Question # 2

In order to have good crystals of a substance the temperature of the system at the time of preparation of solution should be

Choose an answer

Around 0°C

Around room temperature

Sufficiently more than room temperature

Just above the room temperature

Skip

Question # 3

The crystallization of a solid substance is done from a hot saturated solution. The solution is

Choose an answer

Evaporated rapidly

Cooled very slowly to get good crystals

Cooled rapidly to get excellent crystals

Mixed with another miscible solvent

Skip

Question # 4

Chromatography in which stationary phase is a solid is called.

Choose an answer

Partition chromatography

Paper chromatography

High pressure liquid chromatography

Adsorption chromatography

Skip

Question # 5

Which one of the following substances is not used as drying agent in desiccators.

Choose an answer

Calcium chloride

Phosphorus pentoxide

Silica gel

50% NaCl

Skip

Question # 6

A filtration process could be very time consuming if it were not aided by a gentle suction, which is developed.

Choose an answer

If the paper covers the funnel up to its circumference

If the paper has got small sized pores in it

If the stem of the funnel is large so that it dips into the filtrate

If the paper fits tightly

Skip

Question # 7

The drying agents used in desiccator is.

Choose an answer

BeCl2

MgCl2

CaCl2

SrCl2

Skip

Question # 8

The comparative rates at which the solutes move in paper chromatography depends on.

Choose an answer

The size of paper used

Their Rt values solutes

Temp of the experiment

Size the chromate grapic tank

Skip

Question # 9

Which one of the following methods will be used to separate the mixture of NaCl and sand.

Choose an answer

Chromatography

Solvent extraction

Sublimation

Filtration

Skip

Back