Question # 1

Which three element are needed for the health growth of plants:

Choose an answer

S,S,P

N,Ca,P

N,P,K

N,K,C

Enthalpy of neutralization of strong acids and strong bases have same values because

Choose an answer

Neutralization leads to the formation of salt and water

Acids always give rise to H+ and bases always furnish OH-

Strong acids and bases are ionic substances

The net change involves the combination of H and OH ions to form water

Ethene C₂H₄and N₂gases diffuse at the same rate at room temperature. it is due to the reason

Choose an answer

these are non polar gases

their molecular masses are same

both are covalent molecules

both have multiple bonds

Lattice energy is also termed as

Choose an answer

ionization

crystal energy

dissociation

bond energy

The conversion of molecules of A to B follows a second order kineties. Doubling the concentration of A will inerease the rate of formation of B by a factor of

Choose an answer

2

4

1/2

1/4

At 100 atm, CH₄ develops:

Choose an answer

Ideal attitude

Non-ideal attitude

Serious attitude

Laughing attitude

The heat of reaction depends upon

Choose an answer

Temperature of the reactants

Physical states of the reactants and the products

Both A) and B)

Path of the reaction and the temperature

Which one of the following does not act as pollutant

Choose an answer

Carbon monoxide

Sulphur dioxide

Hydrocarbons

Carbon dioxide

Which of the following is not a heavy industry?

Choose an answer

Iron

Fertilize

Paper

None

Which of the following folymer is used as binder

Choose an answer

PVC

PVA

Acrylic resins

Polyester

Absolute temperature is the temperature at which

Choose an answer

All molecular motion ceases

volume becomes zero

Mass becomes zero

None of these

The wave length of visible light is 500 nm. In S.I. unit this value is

Choose an answer

5 x 10^-8m

5 x 10^-9m

500 x 10^-7m

500 x 10^-9m

Ammonia is injected under the soil surface:

Choose an answer

1 Feet

6 inches

6 Feet

9 inches

Pick out the wrong statement. In electrochemical cell

Choose an answer

Electrons are released at anode

Cathode is regarded as negative electrode

Chemical energy is converted into electrical energy

Salt bridge maintains the electrical neutrality of the solution

The valency, ionization energy and electrongativity of elements are related to its

Choose an answer

Atomic number

Properties

Atomic weight

Family group

Which of the following is an example of ketohexose?

Choose an answer

Mannose

Galactose

Maltose

Fructose

The amount of heat evolved or absorbed in a chemical reaction indicated by balanced chemical equation at 25° and one atmospheric pressure is called

Choose an answer

Enthalpy of formation

Enthalpy of neutralization

Enthaply of combustion

Enthaply of reaction

Which compound was recognized the parent member of aromatic compounds

Choose an answer

Aniline

Phenol

Benzene

Toluene

The function of salt bridge is :

Choose an answer

To increase movement onions.

To increase the emf of cell.

To decrease the temperate

To maintain electrical neutrality

Best way to prevent rusting of iron is by

Choose an answer

Making iron cathode

Putting it in saline water

Both of these

None of these

Gypsum is applied to the soil to provide calcium and

Choose an answer

Oxygen

Nitrogen

Phosphorous

Sulphur

A chemical reaction is in equilibrium when

Choose an answer

Formation of product is minimum

Reactants are completely transformed into products

Rates of forward and backward reactions are equal

Equal amounts of reactants and products are present

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