General Science Mcqs for PPSC, FPSC, NTS

What is the molecular formula for Nitric acid ________ ?

A. HNO2
B. HNO3
C. HN2O2
D. H2NO4

Stethoscope was invented by _______ ?

A. Rene Laennec
B. Steven Sasson
C. Martin Cooper
D. Dave Hyatt

Oil rises up to wick in a lamp because_____________?

A. Oil is very light
B. Oil is volatile
C. Diffusion of oil through the wick
D. Capillary action phenomenon

Which of the following types of Coal has maximum carbon content?

A. Peat
B. Lignite
C. Anthracite
D. Bituminous

Mostly which gases are found on the planet Jupiter?

A. Hydrogen
B. Chlorine
C. Hydrogen and Helium
D. Neon

Who is the Father of Genetics?

A. Gregor Mendel
B. Alexander
C. Darewin
D. Louis pasteur

The temperature at which two conjugate solutions change into one homogeneous solution is called__________?

A. Azeotrope
B. Conjugate temperature
C. Consolute temperature
D. Eutectic point

If steel is heated to a temperature well below red heat and is then cooled slowly, the process is called_________?

A. Annealing
B. Quenching
C. Tempering
D. Nitriding

Pig iron is also called________?

A. Cast iron
B. Steel
C. Wrought iron
D. Stainless steel

Which of the following is a component of soap?

A. Sodium sulphate
B. Sodium stearate
C. Sodium chloride
D. Sodium nitrate

Soap and detergents remove the dirt from clothes due to__________?

A. Osmosis
B. Capillary action
C. Lowering of interfacial tension
D. Diffusion

Turpentine is obtained from___________?

A. Oak tree
B. Pine tree
C. Birch tree
D. Lemon tree

The PH of milk is __________?

A. 6.0
B. 6.5
C. 7.0
D.7.5 

Newton’s Third Law of Motion?

A. Every action there is an equal and opposite reaction.
B. attraction or repulsion between two charges
C. volume of a given mass of gas increases or decreases
D. temperature remaining constant, volume of a given mass of a gas varies inversely