B is right. Sorry not C.
Which of the following is/are used as antiseptic/s?
a)tincture of iodine
b) air
c) fizzy drinks and gold
d)all of these
Which of the following is/are solute/s in air?
a) noble gases
b) oxygen and carbon dioxide
c) nitrogen
d)all of these
Which of the following is solvent in air?
a) noble gases
b) oxygen
c) nitrogen
d) carbon dioxide
Explanation:Air a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of other gases, too, such as carbon dioxide, neon, and hydrogen.
Which
of the following is/are solute/s in fizzy drinks?
a) carbon dioxide
b)
sugar
c) water
d) both a and b
Explanation:A soft drink is a drink that usually contains water (often carbonated), a sweetener, and a natural and/or artificial flavoring.
Which of the following is solute in gold jewellary?
a) copper
b) silver
c) gold
d) both a and b
Which
of the following is solvent in gold jewellary?
a) copper
b)
silver
c) gold
d) zinc
C is right.
by at 2025-03-25 05:42:58