Question # 1

Choose the crop for which ammonium nitrate is not used:

Choose an answer

paddy rise

cotton

wheat

sugar cane

Triglyceride have iodine number ______ having no double bond

Choose an answer

0

2

3

4

The starting substance for the preparation of iodoform is any of the following, except

Choose an answer

СН3СН(ОН)CН3

CH3CH2ОН

HCH2OH

CH3COCH3

Which of the following is an example of aldohexose?

Choose an answer

Ribose

Sucrose

Fructose

Glucose

Enzymes catalyse all biological reactions occuring in the cell. What is true about an enzyme?

Choose an answer

Enzyme is a small molecule

Enzyme is acidic in nature

Enzyme is a protein

Enzyme is a lipid

London forces are more affective at

Choose an answer

low temperature

high temperature

low pressure

low temperature and high pressure

Which one of the following is an aromatic compound?

Choose an answer

Benzene

Thiophene

Furan

All of them

Kerosene is liquid at room temperature.This is due to:

Choose an answer

organic nature

H-bonding

molecular size

dipole-dipole forces

Moles of protons in 20g of SO3

Choose an answer

10

20

40

80

To measure the true pressure of a gas collected over water, the pressure due to water vapoure is:

Choose an answer

added to the total pressure

multiplied to the total pressure

divided by the total pressure

subtracted form the total pressure

Van der Waals equation explains the behaviour of

Choose an answer

Real gases

Mixture of gases

Ideal gas

Diatomic gases

The osmotic pressure of solution increases if

Choose an answer

Temperature is decreased

Solution constant is increased

Number of solute molecules are increased

Volume is increased

An organic compound 'X' on treatment with acidified K₂Cr₂O₇gives a compound 'Y' which reacts with I₂and sodium carbonate to form Triodomethane. The compound 'X' is

Choose an answer

CH₃OH

CH₃CHO

CH₃CH(OH)CH₃

CH₃COCH₃

Bohr model of atom is contradicted by:

Choose an answer

Planck's quantum theory

Pauli's exclusion theory

Heisenberg's uncertainty principle.

All of above.

The ore CaSO₄2H₂O has the general name

Choose an answer

Gypsum

Dolomite

Calcite

Epsom salt

Which of the following elements is not stable:

Choose an answer

Xe

Ar.

Kr.

Li.

Which of the following fertilizers is useful for paddy rice

Choose an answer

Ammonium nitrate

Ammonium sulphate

Urea

Ammonium chloride

Alkali metals react violently with halogens to form

Choose an answer

Hydrides

Halides

Anyhydrides

None of these

Choose an answer

2, 2, 4-trimethylpentane

2, 4, 4-trimethylpentane

2, 4, 4-methyepentane

2, 2, 4-methylpentane

The reagent which forms crystalline osazone derivative when treated with glucose is

Choose an answer

Fehling solution

Phenyl hydrazine

Benedict solution

Hydroxyl amine

In a group the atomic size increase downward due to

Choose an answer

Addition of electronic shells

Increase in the proton number

Repulsion of electrons

All of the above

Out of 110 known elements, transition elements are

Choose an answer

40

60

50

80

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