Question # 1

The scale of temperature that shows the freezing point of water at 0° is called

Choose an answer

Fahrenheit

Kelvin

absolute

Celsius

Global warming is mainly caused by ______ radiations

Choose an answer

UV

I.R

gama

X-rays

Types of bonds between C terminal and N terminal is

Choose an answer

Covalent

Disulphide bond

Peptide

Ionic

The densities of two gases are in the ratio of 1 : 16.The ration of their rates of diffusion is

Choose an answer

16 : 1

4 : 1

1 : 4

1 : 16

Energy required to remove electron from an atom

Choose an answer

Ionization potential

Electronegativity

Electropositivity

Electron affinity

Naphthalene has two fused aromatic ring of carbon atom the molecular formula

Choose an answer

C10H8

C10H14

C10H10

C12H12

The compound used to distinguish the ethyne and ethene is

Choose an answer

Alkaline KMnO4

Ammonical AgNO3

Bromine water

Tollen's Reagent

A fat with 18 carbon & no double bond will be

Choose an answer

Solid

Liquids

Gel like

None

Leaching of nutrients is due to

Choose an answer

Drying of soil

Combustion of soil

Acidification of soil

Neutralization of soil

Which of the following gases have maximum root mean square velocity at 25°C:

Choose an answer

SO₂

NH₃

CO₂

H₂S

Which of the following statements is false?

Choose an answer

Avogadro number = 6.02 x 10²¹

The relationship between average velocity (v) and root mean square velocity (u) is v = 0.9213 u

The mean kinetic energy of an ideal gas is independent of the pressure of the gas

The root mean square velocity of the gas can be calculated by the formula (3RT/M)^1/2

Hydrolytic coversion of sucrose into glucose and fructose is known as

Choose an answer

Induction

Inversion

Insertion

Inhibition

The open chain organic compounds are called

Choose an answer

Linear compounds

Aromatic

Aliphatic

Both A and B

Essentialα-amino acids are those which are necessary in the diet

Which one is an essentialα-amino acids

Choose an answer

Alanine

Aspartic acid

Glycine

Tryptophan

Which property is not present in Al?

Choose an answer

Reacts with acid

Reacts with bases

Changes litmus paper

Changes methyle orange colour

Which statement in not correct about alcohol?

Choose an answer

Ethyl alcohol is heavier than water

Ethyl alcohol ecaporates more quickly

Alcohol with less number of carbon atoms is more soluble in water than alcohol with more number of carbons atoms

Alcohol produces H₂by reaction with sodium metal

The empirical formula of a liquid compound is known to be C₂H₄O. What other information is needed to work out its molecular formula?

Choose an answer

The percentage composition of the compound

The relative molecular mass of the compound

The density of the compound

The volume occupied by one mole of the compound

Which one of the following is not an alkali metal

Choose an answer

Francium

Caesium

Rubidium

Radium

Which of the following may affect the rate constant (k) fro a reaction :

Choose an answer

Change in concentration.

Change in pressure.

Change in pH.

Change in temperature.

From left to right, atomic radii of transition elements

Choose an answer

Increases

Decreases

Remain same

None of the above

(CH₂O)_nis general formula for

Choose an answer

Monosaccharides

Oiligosaccharides

Polysaccharides

None of these

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