Questions

Mc Adam devised the method of making 'Pakka' roads. which is also called macad-amized' roads named after him

Hydrogen is the common element in all acids.

We know that each successive IE is greater than the previous one, because each ionization process removes one electron and hence increases the total attractive force on the remaining electrons from the nucleus. Hence, C3+ (g) → C4+ (g) + e- needs more energy.

River Dolphin is the National Aquatic Animal of India.

Sulphur is an yellow element that stinks when burned.

Mumbai has been ranked the world's second most densely populated city with 31,700 people per sq km, by the World Economic Forum (WEF) citing UN Habitat Data. Bangladesh's capital Dhaka topped the list with 44,500 people per sq km. Rajasthan's Kota has been ranked the world's seventh most densely populated city with 12,100 people per sq km.