Questions

Although well known as one of the most iconic dinosaurs, Brontosaurus (the 'thunder lizard') has long been considered misclassified. Since 1903, the scientific community has believed that the genus Brontosaurus was in fact the Apatosaurus.

The Indian Slavery Act, also called as Act 5th of 1843, was an act passed in British India under East India Company rule, which outlawed many economic transactions associated with slavery.

We know that polar substances are soluble in polar solvents and non polar substances are soluble in non-polar solvents only. Here the hydrocarbons are non-polar molecular substances and water is a polar solvent. So water can't dissolve hydrocabons.

Hence, as hydrocarbons are non-polar substances, they are insoluble in water as it is a highly polar solvent. 

The area of the four states approximately, are as follows : Madhya pradesh 443000 sq km; Rajasthan 342000 sq km; Uttar pradesh 294000 sq km.