Question # 1

Long chains of amino acids are coiled about one another into a spiral by

Choose an answer

Covalent bond

Ionic bond

Hydrogen bond

Van Der Waal's forces

An Ideal gas can not be liquefied because.

Choose an answer

Its critical temperature is always above 0 ^oC

It molecules are relatively smaller in size

Its solidify before becoming a liquid

Force operative between its molecules are negligible

The change in heat energy of a chemical reaction at constant temperature and pressure is called

Choose an answer

Enthalpy change

Bond energy

Heat of sublimation

Internal energy change

Cathode rays cast shadow when an opaque object is placed in their path. This behavior of cathode rays show that.

Choose an answer

They move is straight line

They are negatively charge

They possess momentum

They are energetic

Which one of the following has the greater ionic characters in it.

Choose an answer

HF

HCl

H2O

H2

In gas occupies a volume of 2 dm³at 27°C and I atm pressure. The expression for its volume at S.T.P. is

Choose an answer

Which statements not correct about Galvanic cell.

Choose an answer

Anode in negatively charge

Reduction occur at anode

Cathode is positively charged

Reduction occur at cathode

Melting of ice can be forwarded by the use of.

Choose an answer

LiCl

BeCl2

NaCl

Ag Cl

Mass of 22.4 dm3 of N2 at STP is.

Choose an answer

28 gm

14 gm

1.4 gm

2,8 gm

Gases deviate from ideal behaviour at high pressure. Which of the following is correct for non-ideal behaviour of gases

Choose an answer

At high pressure, the gas molecules move in one direction only

At high pressure, the collisions between the gas molecules are increased

At high pressure, the volume of the gas becomes insignificant

At high pressure, the intermolecular attraction becomes significant

In the ground state of an atom, the electrons is present.

Choose an answer

In the nucleus

In the second shell

Nearest to the nucleus

Farthest form the nucleus

One dm3 of a buffer solution containing 0.01 M NH4Cl and 0.1 M NH4OH having pKa of 3 has pH.

Choose an answer

4

6

9

10

Splitting of spectral lines when atoms are subjected to magnetic field is called.

Choose an answer

Stark effect

Zeeman effect

Photoelectric effect

Compton effect

In order to mention the B.P of water at 110 ^oC the external pressure should be.

Choose an answer

Between 760 torr and 1200 torr

Between 200 torr and 760 torr

765 torr

Any value of pressure

When fast neutron carries nuclear reaction with nitrogen it ejects aprticles.

Choose an answer

Alpha

Gamma

Beta

Nil

Which is not decay product of free neutron

Choose an answer

Proton

Electron

Neutron

Antineutrino

How many moles of water results by burning 4 mole of H2 with excess of oxygen.

Choose an answer

1 mol

2 mol

3 mol

4 mol

Ionic bond is formed by combination of groups

Choose an answer

IA and VIII

II A and VII A

IV A and VA

VIA and VII A

More Classes

Other Links

Chemistry Fsc Part 1 Online Test 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