Question # 1

Which of the following molecule has zero dipole moment?

Choose an answer

PCI3

BF3

NH3

H2O

pH of 10-4 mole dm-3 of HCl

Choose an answer

2

4

3

5

Aluminium is in Group lll, its oxide will have the formula.

Choose an answer

AlO

AlO₂

Al₂O₃

Al₃O₂

Which one of the following statements about glucose and sucrose is incorrect

Choose an answer

Both are soluble in water

Both are naturally occurring

Both are carbohydrates

Both are disacharides

Water which his considered to be safe for human consumption is known as

Choose an answer

distilled water

contaminated water

potable water

rain water

Which of the following is not an inorganic macromolecule

Choose an answer

Graphite

Sand

Strach

Diamond

Coordination number of Zn and ZnS (Zinc blends) is

Choose an answer

4

6

2

None of these

Choose the correct statement:

Choose an answer

SO₂ affects the nucleus

SO₂ affects plasmodesmate

SO₂ affects cell wall

SO₂ affects all membrane systems

Amino acid which has cyclic structural is

Choose an answer

Proline

Valine

Alanine

Glutamic acid

In diamond, which hybridization is there?

Choose an answer

sp2

dsp2

sp3

sp

The total pressure exerted by a mixture of gases is the sum of the partial pressure of all the gases present is a statement of

Choose an answer

Charle's Law

Boyle's Law

Dalton's Law

Graham's Law

Dehydrohalogenation of alkyl halides produces

Choose an answer

Alcohol

Alkane

Alkene

Alkyne

Which alcohol may be oxidised to a product which react with 2,4-dinitorphenylhydrazine reagent but not with Fehling's reagent

Choose an answer

Butan-1-ol

Butan-2-ol

2-methylpropan-1-ol

2-methylpropan-2-ol

Which one gives acidic reactions?

Choose an answer

CH₃----C≡C-------CH₃

CH₃-----CH₂-----HC=CH----CH₂

CH₃----CH=CH₂

CH₃-----C≡CH

Cracking normally gives smaller ______

Choose an answer

Alkanes

Alkenes

Alkynes

Both a and b

Choose an answer

With H₂/Ni CH₃(CH₂)₅CH₂OH

With H₂/Ni CH₃(CH₂)₅CH₃

With NaBH₄ CH₃(CH₂)₅CH₂OH

With NaBH₄ CH₃(CH₂)₅CHO

Electron affinity depends on

Choose an answer

Atomic size

Nuclear charge

Atomic number

Atomic size and nuclear charge both

Titanium is used as a catalyst in

Choose an answer

Hydrogenation

Dehydrogenation

Polymerization of P.E.

Oxidation of ammonia

In an exothermic reaction

Choose an answer

Enthalpy of reactants is lesser than that of products

Enthalpy of reactants is greater than that of products

Heat is transferred form surrounding into the system

Enthalpy of reactants and products same

The chemist who synthesized urea from ammonium cyanate was

Choose an answer

Berzelius

Kolbe

Wholer

Lavoisier

Alkyl halides on treatment with aqueous KOH give

Choose an answer

Phenol

Alcohol

Aldehyde

Ketone

The acid present in the stings of bees and wasps in

Choose an answer

Acetic acid

Formic acid

Formalin

Formaldehyde

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