Questions

The chemical composition of a rock is mainly minerals.

The two elements that are used to make bronze are tin and lead.

Ans.  CP of mixture = {(40*3+60*2)/2+3} = 48 SP of the mixture = 1.1 48 =52.8

Strait of Messina seperates Italy and Sicily , while Strait of Bonifacio is located between Corsica  and Sardinia and Strait of Otranto  is found between Italy and Albania.

The founder and also first Chairman of the ISRO is Vikram Sarabhai.

Main bench of National Green Tribunal is located at national capital city Delhi on 18th October, 2010.

Its other benches are:

West sone at Pune

Central zone at Bhopal

East zone at Kolkata

South zone at Chennai.

Laterite soils are a tropical soil and possess a great amount of iron and aluminum. Due to its high iron oxide content they look like rusty-red coloration.

Isotopes are atoms of the same element that have different mass numbers.

Example : Hydrogen, Deutirium and tritium all these have different mass but same atomic numbers.