Question
Which of the following acid proves to be useful for the
purification of gold and silver?ÂSolution
Nitric acid is used for purification of various precious metals, including gold, silver, and platinum. In metallurgy, it is used in combination with alcohol for etching designs on metals like brass, copper, bronze, etc.
Select the most appropriate option to fill in blank.
Find the appropriate word.
Choose the most appropriate word for blank no. (iii)
Select the most appropriate option to fill in blank.
Choose the most appropriate option for lank no. 1
Choose the most appropriate word for blank 111.
The two sides adopted a Joint Action Plan in 2005 towards strengthening dialogue and consultation mechanisms in the political and economic spher...
Find the appropriate word.
 1) all over India     2) final              3) pan-India              4) complete          5) none of t...
2
