Question

Fill in the blanks:
i. ____________ taste is a characteristic property of all acids in aqueous solution.
ii. Acids react with some metals to produce _____________ gas.
iii. Because aqueous acid solutions conduct electricity, they are identified as ________
iv. Acids react with bases to produce a ________ and water.
v. Acids turn ____________ different colours.

Answer 1

$i.$ Sour taste is a characteristic property of all acids in aqueous solution. (Acid tastes sour)
$ii.$ Acids react with some metals to produce $H_2$ gas. ($HCl+Na⟶NaCl+H_2$)
$iii.$ Because aqueous acid solutions conduct electricity, they are identified as electrolyte.
$iv.$ Acids react with bases to produce a salt and water. (Neutralization)

$v.$ Acids turn red, orange, yellow(three) different colours. (Refer above image).