Question

प्र.8 उत्क्रमणीय अभिक्रिया का उदाहरण है -
(i) AgNO3+HC|RAgcl + HNO3
(iii) KNO3+NaNO3=Kcl + NaNO3
(ii) HgCl+H2SHgS+2Hcl
(iv) Na+2H20-2NaoH+H2
7.9 यदि किसी जलीय विलयन के PH का मान शून्य हो तो वह विलयन होगा​

Answer 1

Explanation:

The Olympic flag has a white background, with five interlaced rings in the centre: blue, yellow, black, green and red. This design is symbolic; it represents the five continents of the world, united by Olympism, while the six colours are those that appear on all the national flags of the world at the present time.”