Saccharin, a substance 375 times sweeter than sugar is obtained from

Ans : Toluene, occurring in Coal tar

 Name a food material which contains phosphorus

Ans : Onion

Usually, base changes the colour of litmus from

Ans : Red to Blue

The number of molecules contained in 1mole of a gas is called

Ans : Avogadro number

 Name the product obtained by the destructive distillation of wood

Ans : Charcoal

The charcoal used for decolorizing of sugar is

Ans : Activated charcoal

Who discovered natural radioactivity

Ans : Hentry Bequeral

 Hydrogen was discovered by

Ans : Cavendish

 Who invented Microprocessor

Ans : Ted Hoff

 Name the scientist who proposed Doppler Effect

Ans : Christian Doppler

 Who discovered Argon

Ans : Ramsay

 Name the scientist who proposed pH value

Ans : Sorenson

 Who discovered the Law of Gravitation

Ans : Sir Isaac Newton

 Who discovered penicillin

Ans : Alexander Fleming

. Who invented dynamite

Ans : Alfred Nobel

 The Nobel Prizes were established by

Ans : Alfred Bernhard Nobel

 Booker prize is given to the field of

Ans : Fiction writing

The winner of the Jnanapeetam award for the first time

Ans : G. Sankara Kurup

 Oscar Award is associated with

Ans : Cinema

 Indira Gandhi Paryavaran Puraskar is given in which field

Ans : UNESCO

World Solar Energy Day

Ans : 3^rd May

 Commonwealth Day

Ans : Second Monday in March

 World Employment Day

Ans : June 5

 World Architectural Day

Ans : July 1

 National Maritime Day

Ans : 5^th April

 Anti Terrorist Day

Ans : 21^st May

 World Anti-smoke Day

Ans : 31^st May