Question # 1

A solution sucrose is 34.2%. The volume of solution containing one mole of solute :

Choose an answer

342cm³

1000cm³

500cm³

242cm³

A solution is a homogeneous mixture of two or more kinds different :

Choose an answer

Molecular.

Covalent substance

Ionic Substances

Both (a) and (c)

What mass of NaOH is required to prepare 2.5 dm³of 1.5 M NaOH solution

Choose an answer

130 g

140 g

150 g

160 g

Which one of the following is used as antifreeze in the radiator

Choose an answer

Methanol

Ethanol

Ethylene glycol

Glycerin

What is the molarity of a solution containing 15.0 g urea in 500 cm³of solution

Choose an answer

0.5 M

1 M

1.5 M

2 M

50 cm³of 0.05 molar nrea (N₂H₄CO) solution has % W/N concentration

Choose an answer

6%

3%

0.3 %

0.6 %

When the solute is present in trace quantities the following expression is used

Choose an answer

Gram per million

Milligram percent

Microgram percent

Parts per million

A Solution containing 6.8 g of non-ionic solute in 100g of water was found to freeze at -0.93°C. If k_rfor water is 1.86 and molecular mars of solute is

Choose an answer

13.6

34

68

136

The process in which solvent particles surround solute particles is called

Choose an answer

Hydrolysis

Hydration

Solvation

Dissolution

10% aqueous solution of NaCI has molarity

Choose an answer

1.7 M

2.7 M

0.17 M

3.7 M

The molar boiling point constant is the ration of elevation in boiling point to :

Choose an answer

Molarity

Mole fraction of solvent

Mole fraction of solute.

Which statement is not true. A solution is a homogeneous mixture of

Choose an answer

Two ionic substance like NaCl and HCl

Two molecular substances sugar and water

A solute and a solvent 1% NaHCO₃in water

NaCl and sand

How many g of dibasic acid (mol. wt. 200) should be present in 100 ml of the aqueous solution to give 0.1 Normality?

Choose an answer

1 g

2 g

10 g

20 g

Which one of the following has discontinuous solubility curve

Choose an answer

CaCI₂6H₂O

NaCI

KCI

NaNO₃

If liquids A and B form an ideal solution

Choose an answer

The enthalpy of mixing is zero

The entropy of mixing is zero

The free energy of mixing is zero

The free energy as well as the entropy of mixing are each zero

Precipitation will occur until the ionic product becomes

Choose an answer

Equal to K_sp

Lesser than K_sp

Greater than K_sp

None of these

Which if the following has the highest freezing point at one atmosphere

Choose an answer

0.1 M NaCI

0.1 M sugar solution

0.1 M BaCI₂

0.1 M FeCI₂solution

Number of moles of solute dissolved in 1 Kg of solvent is knowns as

Choose an answer

Molarity

Formality

Molality

Mole fraction

Elevation of boiling point is measured by

Choose an answer

Beckmann's apparatus

Lands Berger's method

Antifreeze apparatus

None of these above

Mixture of alcohol and water can be separated by

Choose an answer

Solvent extraction techniques

Crystallization

Precipitation and filtration

Fractional distillation

The molarity of toluene solution in benzene is 0.22 if 5 grams of toluene dissolved, then mass of benzene is grams is

Choose an answer

267

260

240

247

An azeotropic mixture of two liquids boils at a lower temperature than either of them when :

Choose an answer

It is saturated.

It shows positive deviation from Raoult's law.

It show negative deviation from Raoult's law.

It is metastable.

5g of glucose is dissolved fro 100 cm of solution. Percentage of solution is :

Choose an answer

5 % v/w

5 % w/v

5 % w/w

Zeotropic mixture

Choose an answer

Obey Henry's law

Obey Raoult's law

Does not obey Raoult's law

Obey Dalton's law

Units of molarity are

Choose an answer

gm/lit

mol/lit

kg/lit

None of these

Which of the following mixture of liquids show negative deviation form Raults law

Choose an answer

Ethyl alcohol and ether

HCI and water

Phenol- water

Chlorobenene-bromobenene

The process in which the solvent molecules are surrounded and interact with solute ions or molecules is called

Choose an answer

Solvation

Hydration

Hydrogenation

None

If 5.85 of NaCI are dissolved in 90g of water the mole fraction of NaCI is

Choose an answer

0.1

0.01

0.2

0.0196

The process in which water molecules surround solute particles is called

Choose an answer

Hydration

Salvation

Hydrolysis

Dehydration

What is the molarity of H₂SO₄solution that has density of 1.84 gm/cc at 35°C and contains 98% by weight?

Choose an answer

4.18 M

8.14 M

18.4 M

18 M

The freezing mixture used in ice cream machine consists of ice and

Choose an answer

NaCI

KCI

MgCI₂

NaNO₃

More Classes

Other Links

ECAT Chemistry Chapter 9 Solutions Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer