Question # 1

Natural fertilizers are materials derived form:

Choose an answer

plants

animals only

both plant and animals

none of all

The fibre which is obtained from naturally occuring protein is called

Choose an answer

saran

azlon

rayon

nylon

What is not true about DNA?

Choose an answer

it preserves genetic information

Synthesizes protein

it has a linear structure

To replicates

If reactants are conductor of electricity, then method is used to measure the change in concentration of reaction

Choose an answer

Optical rotation

Refractrometric

Dilatometric

Electrical conductivity

Substituted phenyl group are called

Choose an answer

Arene groups

Alkyl groups

Aryl groups

Acyl groups

What will be the pH of 1.0 mol dm-3 of NH4OH, which is 1% dissociated

Choose an answer

2

12

0

2.7

When does average rate become equal to instantaneous rate of reaction

Choose an answer

At the start of reaction

time interval is zero

at the end of reactior

time interval approaches zero

The forces of attraction between ions and water molecules are known as

Choose an answer

dipole-dipole forces

London forces

dipole- induced dipole forces

ion-dipole forces

Which one of the following groups is indicated when HCI is formed by reaction of ethanol with phosphorous pentachloride?

Choose an answer

Amino group

Halide group

Hydroxyl group

Hydride group

Benzene in the presence of AICl3 produces acetophenone when reacts with

Choose an answer

AcetyI chloride

EthyI benzene

Acetic acid

Ethanoic acic

For formation of ionic bond, electronegativity difference should be

Choose an answer

Equal to zero

Equal to 0.5

More then 1.7

Less than 1.7

Primary alcohols and aldehydes are oxidized to corresponding:

Choose an answer

alkanes

alkenes

Alkynes

Carboxylic Acid

Acetamide is

Choose an answer

Highly acidic

Highly basic

Neutral

amphoteric

Which of the following is weakly acidic in nature

Choose an answer

Alcohol

Phenol

Aidehyde

Amide

Cell in which an electric current drives a non-spontaneous reaction is called

Choose an answer

Electrolytic cell

Voltaic cell

Biological cell

Electrochemical cell

During the preparation of alkanes the hydrogenation of alkenes or alkynes the catalyst may be

Choose an answer

H₂SO₄

Ni

Fe₂O₃

Al₂O₃

Chloroform is carcinogenic:

Choose an answer

Heart

Lungs

Liver

Kidney

Which is independent of temperature

Choose an answer

Molarity

Molality

Normality

Mole fraction

The polymers which can not be re-softened again and again are called

Choose an answer

Thermoplastic

Thermosetting

Both a and b

None

Tincal is a mineral of:

Choose an answer

Al

B

Si

C

The reactivity order of alkyl halides for a paricular alkyl group is

Choose an answer

Fluoride > chloride > bromide > iodide

Chloride > bromide > fluoride > iodide

Iodide > bromide > chloride > fluoride

Bromide > iodide > chloride > fluoride

Which of the following sulphates is not soluble in water

Choose an answer

Sodium sulphate

Potassium sulphate

Zinc sulphate

Barium sulphate

More Classes

Other Links

Chemistry General Science Test Medium Mode 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