Question
Which nation has recently revealed two new
nuclear-powered submarines named "Krasnoyarsk" and "Emperor Alexander"?Solution
President of Russia, Vladimir Putin has unveiled two new nuclear-powered submarines "Krasnoyarsk and Emperor Alexander". The Emperor Alexander III is the seventh Borei-class atomic-powered submarine to enter service. Each of them is armed with 16 nuclear-tipped Bulava intercontinental ballistic missiles.
The gas usually causing explosions in coal mines is-
The element used in the manufacture of safety matches is —
The chemical name of'Common salt’
The major component of honey is-
Which one amongst the following is not a Green House gas?
The most reactive among the halogens is-
___________ is the process in which acids and bases react to form salts and water.
Urea is a —
Manganite is an ore/mineral of
Which of the following is a physical change?