Question # 1

Micro nutrients are required in quality ranging from:

Choose an answer

4g - 40g

6g - 200g

6dg - 200kg

4kg - 40kg

There are 20 amino acids found in protein which is not the property of these amino acids

Choose an answer

They are all alpha-amino acids

They are all optically active

They have high decomposition point

They are water soluble

Which one is not postulated in the kinetci molecular theory among the following?

Choose an answer

molecules are in chaotic motion

molecules of all the gases have same size and same mass

the volume of the molecules is negligible

all molecular collisions are elastic

Which of the following bond is responsible for joining the amino acids in proteins?

Choose an answer

Metallic Bond

Di sulfide bond

Peptide Bond

2-propanol shows-----isomerism with 1-propanol

Choose an answer

Chain isomerism

Positional isomerism

Metamerism

Geometrical isomerism

Which type of motion is exhibited by gases?

Choose an answer

Vibrational

Transitional

Rotational

All of them

Potassium fertilizers are especially useful for:

Choose an answer

Tobacco

Potato

Coffee

All of these

Ar has low critical temperature and pressure due to its

Choose an answer

small size

monatomic molecule

low polarizability

liquefaction temperature close to room temperature

Residence time of methane in the atmosphere is

Choose an answer

3 - 7 days

2 -3 days

3 - 7 years

2 - 3 years

Which one of the following will react with bothethand and ethanoic acid at room temperature

Choose an answer

CaCO3

CuO

Na-metal

CH3OH

Molar volume of CO₂ is maximum at

Choose an answer

NTP

0°C and 2.0 atm

127°C and 1 atm

273°C and 2.0 atm

1 mole of N₂and 2 moles of H₂are allowed to react in a 1 dm³vessel. At equilibrium 0.8 mole of NH₃is formed. The concentration of H₂in the vessel is

Choose an answer

0.6 mole

0.8 mole

0.2 mole

0.4 mole

Which of the following will have the highest boiling point?

Choose an answer

Methanal

Ethanal

Propanal

2-Hexanone

Acetone is prepared by

Choose an answer

Oxidation of n-propyl alcohol

Oxidation of acetaldehyde

Pyrolysis of calcium acetate

Pyrolysis of calcium acetate as well as acetic acid

The branch of science dealing with structure, composition and changes in matter and laws and principles which govern these changes is called as

Choose an answer

chesmistry

Geology

Physics

Mechanics

One of the environmental problem is the formation of oil slicks when oil is spilled from tankers in sea water. Which treatment is suitable to remove oil slicks

Choose an answer

Blow air

Add Na₂CO₃

Use a specially made sorbent having flouring trapped in it

Use a sorbent having Al₂O₃trapped in it

The freezing mixture used in ice cream machine consists of ice and

Choose an answer

NaCI

KCI

MgCI₂

NaNO₃

Choose an answer

Diastase

Lipase

Inverters

Zymase

Which of the following was discovered first:

Choose an answer

Charge to mass ratio of electrons.

Mass of electrons.

Charge of electrons.

All of above at same time.

A reaction in which an atom or a group of atoms replaces an atom or a group of atoms in the molecule of a substance is known as

Choose an answer

Addition reaction

Condensation reaction

Elimination reaction

Substitution reaction

If liquids A and B form an ideal solution

Choose an answer

The enthalpy of mixing is zero

The entropy of mixing is zero

The free energy of mixing is zero

The free energy as well as the entropy of mixing are each zero

Coinage metals like Au, Pt, Ag and Cu are the least reactive metals and don't liberate H₂gas when treated with acids because

Choose an answer

These have very high positive values of reduction potentials

These have very high negative values of reduction potentials

Their ionization potentials are lowest

Their reduction potentials are close to SHE

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