Question # 1

Which of the following alcohol cannot be produced by treatment of aldehydes or ketones with NaBH4

Choose an answer

I-propanol

2-Methyl-2-propanol

2-propanol

Ethanol

Choose the correct statement:

Choose an answer

SO₂ affects the nucleus

SO₂ affects plasmodesmate

SO₂ affects cell wall

SO₂ affects all membrane systems

The net heat change in a chemical reaction is the same whether it is brought about in two or more different ways in one or several steps.it is known as

Choose an answer

Henry's law

Hess's law

joule's law

Law of conservation of energy

Lipids are naturally occurring compounds produced in cell and are water insoluble but soluble in organic solvent one of the following is not a lipid, Select among the following:

Choose an answer

nucleic acid

atriglceride

sterol

vitamin D

Water soluble and cyrstalline carbohydrrates are:

Choose an answer

monosacharides

obiligoseacharides

polysacharides

a and b

TiCl4 is used as catalyst for manufacture of

Choose an answer

Sulphuric acid

Plastics

Ethanol

Tetraethyl lead

NO. of naturally occuring aminoacids is

Choose an answer

10

20

30

40

A fibre which is made from acrylonitrile as monomer

Choose an answer

PVC

rayon fibre

acrylic fibre

polyester fibre

The kinetic energy of 4 moles of nitrogen gas at 127°C is? cals.(R = 2 cal mol^-1 K^-1)

Choose an answer

4400

3200

4800

1524

Which of the following gases diffuse quickly:

Choose an answer

N₂

NH₃

CO₂

Cl₂

Elimination of molecular reactions usually obey:

Choose an answer

first order kinetics

second order kinetics

third order kinetic

zero order kinetic

Which of the following species has the highest ionization potential?

Choose an answer

Ne

Al⁺

Mg⁺

Li⁺

Steps in SN , reactions are:

Choose an answer

One

Two

Three

Four

In Millikan method the oil droplet falls under the force of gravity but it moves upward due to

Choose an answer

Electric field

Magnetic field

Incident light

X-rays

N₂O₄⇌ 2NO₂

For the above reaction, which of the Following expression of K_c correct :

Choose an answer

Kc = [ N₂O₄]/[ NO₂]²

Kc = [ N₂O₄]/ [NO₂]

Kc = [ N₂O]²/[ N₂O₄]

Kc = [ N₂O₄]/[ N O₂]

On the basis of VSEPR theory SO₂is a

Choose an answer

Liner molecule

A bent molecule

A strong molecule

A gaseous molecule

Aldehydes are oxidizes are to give:

Choose an answer

Primary alcohol

Sec-alcohol

Ter-alcohol

Carboxylic acid

ΔH for an endothermic reaction carries

Choose an answer

Positive sign

Negative sign

Both sign

None of these

An organic compound will decolorise dill acidified (aq) KMnO₄on warming, but will not decolorise bromine water. What is the compound

Choose an answer

KMnO₄

Ethanol

Ethane

CH₃CH₂Cl

Which of the following is a typical transition metal

Choose an answer

Sc

Y

Ra

Co

pKb value of NH₄OH is 4.74. If the concentration of NH₄OH is 1 molar containing 0.1 molar NH₄Cl, then pH of this buffer will be

Choose an answer

3.74

10.26

4.74

9.26

Odour of alkene is:

Choose an answer

Fruity

Odourless

Zarlic like

Irritating

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