Question # 1

Which one of the following is used as coagulant for purification potable water:

Choose an answer

copper sulphate

alum

barium

nicket sulphate

The values of ∆H for the process l(g)+e-1--------->
I-1(g) is:

Choose an answer

>0

<0

0

None

Ethane when completely halogenated in excess of chiorine can form

Choose an answer

Hexachloroethane

Dichloroethane

Pentachloroethane

1.1.2.2-terachloroethane

A semiconductor of Ge can be made p-type by adding

Choose an answer

Trivalent impurity

Tetravalent

Pentavalent impurity

Divalent impurity

A complete food contains at least

Choose an answer

Three nutrients

Ten nutrients

Six nutrients

Ten nutrients

Primary alcohols and aldehydes are oxidized to corresponding:

Choose an answer

Alkanes

Alkenes

Alkynes

Carboxylic acids

The basic difference between synthetic and natural fertilizer is in their

Choose an answer

raw material

crop application

usage

shapes

Alkanes do not show geometrical isomerism due to

Choose an answer

Hyperconjugation

Resonance

Rotation around single hond

Restricted rotation around doubled bond

Chose a point which is not included in the components of environment

Choose an answer

Stratosphere

Hydrosphere

Lithosphere

Biosphere

_{What is name of hydrated variety of quartz?}

Choose an answer

Rose quartz

Smokey quartz

Silica

Opal

Potassium crystallizes with a

Choose an answer

Orthogonal lattice

Cubic lattice

Triclinic

Ortho rhombic lattice

An element of the third period (Na to S) is heated in chlorine. The product is purified and then added to water. The resulting solution is found to be neutral. What is the element

Choose an answer

Sodium

Aluminium

Silicon

Phosphorus

Acetamide is

Choose an answer

Highly acidic

Highly basic

Neutral

amphoteric

What will react differently with the two isomeric pentols, (CH₃)₃CCH₂OH and (CH₃)₂CH CH₂CH₂OH

Choose an answer

Acidified (aq) KMnO₄

Concentrated H₂SO₄

PCl

Sodium

Choose an answer

Which one of the following has discontinuous solubility curve

Choose an answer

CaCI₂6H₂O

NaCI

KCI

NaNO₃

Bell metal is an alloy of

Choose an answer

Cu, Zn, and Sn

Cu, Zn and Ni

Cu and Zn

Cu and Sn

The next homologue of C₁₀H₂₂will be

Choose an answer

C₉H₂₀

C₁₂H₂₆

C₁₁H₂₄

C₁₃H₂₈

Which of these polymers is a synthetic polymer

Choose an answer

Animal fat

Starch

Cellulose

Polyester

Noble gases have the electronic configuration with their valance shell ns²np⁶except one

Choose an answer

He

Ne

Kr

Xe

Transition elements form which type of bond

Choose an answer

Ionic bonds only

Covalent bonds only

Ionic and covalent bonds

Polar bonds

How many moles of oxygen, O₂are needed for the complete combustion of two moles of butane C₄H₁₀?

Choose an answer

2

8

10

13

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