Acids and Alkalias

Question 1

taste of acid

Answer 1

sour

Question 2

taste of alkalias

Answer 2

bitter

Question 3

which acids are used in the school laboratory (3)

Answer 3

hydrochloric acid

sulphuric acid

nitric acid

Question 4

which acid does soft drinks contain

Answer 4

carbonoic acid

Question 5

which acids odes vinegar contain

Answer 5

ethanoic acid

Question 6

which acids does oranges and lemons contain

Answer 6

citric acid

Question 7

name properties of alkalias (2)

Answer 7

bitter (some)
slippery

Question 7

name 2 household items containing acids

Answer 7

lotion

shampoo

toilet cleaner

Question 7

name examples of alkalias in the school laboratory (3)

Answer 7

sodium hydrochloride solution

calcium hydrochloride solution

ammonia solution

Question 7

name household item containing alkalias (2)

Answer 7

baking soda

kitchen cleaner

glass cleaner

toothpaste

Question 7

what is added to wonton noodle soup to make the noodles elastic

Answer 7

Lye

Question 8

name food containing alkalias

Answer 8

dumplings

noodles

Question 9

what is added to wonton noodle soup to make it taste less bitter

Answer 9

vinegar

Question 9

how to we take safety precautions when handling acids and alkalias (3)

Answer 9

read safety hazard symbols

wear safety spectacles

wear a laboratoy coat and disposable gloves

fill no more than 1/3 of the container

do not mix acids and alkalias without the teacher’s approval

pour waste solution into waste bottles