Question

write
for True and F for False:
(a) Sodium hydroxide turns blue litmus red
(b) Sea water contains only sodium chloride.​

Answer 1

(a) Sodium hydroxide turns blue litmus red.false

explanation

Sodium hydroxide is a base. The base turns red litmus into the blue. Thus Sodium hydroxide turns red litmus into the blue.

(b) Sea water contains only sodium chloride.false

explanation

On average, seawater in the world's oceans has a salinity of approximately 3.5%, or 35 parts per thousand. This means that for every 1 litre (1000 mL) of seawater there are 35 grams of salts (mostly, but not entirely, sodium chloride) dissolved in it.