Everyday Science Mcqs

Turpentine is obtained from___________?

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

Turpentine (also called spirit of turpentine, oil of turpentine, wood turpentine and colloquially turps) is a fluid obtained by the distillation of resin from live trees, mainly es. It is mainly used as a solvent and as a source of materials for organic synthesis.

Soap and detergents remove the dirt from clothes due to__________?

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

Which of the following is a component of soap?

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

Pig iron is also called________?

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

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

Mostly which gases found of the planet Jupiter?

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

Which of the following type of Coal, has maximum carbon content?A. Peat
B. Lignite
C. Anthracite
D. Bituminious

 

Stethoscope was invented by _______ ?

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

 
The stethoscope was invented in France in 1816 by René Laennec at the Necker-Enfants Malades Hospital in Paris. It consisted of a wooden tube and was monaural. Laennec invented the stethoscope because he was not comfortable placing his ear directly onto a woman’s chest to listen to her heart.