Acid-base neutralization Quiz 1

Question 1

Anitha carried out the reaction between HCl and NaOH and she got a product, in which pH range in the pH scale will it fall? $$ \ $$<img  src="https://cmds-vedantu.s3.ap-southeast-1.amazonaws.com/prod/question-sets/79ab6361-db1b-4bc3-ae23-be19cebac3e46271452850093294749.png"/>

Accepted Answer

7

Answer

3

Answer

6

Answer

12

Question 2

When we get heartburn or indigestion, we will take an antacid which gives us relief. What is the principle behind this intake?

Accepted Answer

neutralization reaction

Answer

antipyretic effect

Answer

antibiotic effect

Answer

displacement reaction

Question 3

Ashitha got a turmeric stain on her new dress and she went to wash it off with soap, then she noticed that the colour of the stain changed when rubbed with soap. What is the colour change?

Accepted Answer

yellow to red

Answer

yellow to green

Answer

yellow to off white

Answer

yellow to pink

Question 4

Baking powder is used for baking purposes to make the dough soft. The reaction involved is:

Accepted Answer

$${{C}_{2}}{{H}_{4}}{{O}_{2}}+NaHC{{O}_{3}}	o Na{{C}_{2}}{{H}_{3}}{{O}_{2}}+{{H}_{2}}O+C{{O}_{2}}$$

Answer

$$N{{a}_{2}}S{{O}_{4}}+HCl	o NaCl+{{H}_{2}}S{{O}_{4}}$$

Answer

$$N{{a}_{2}}C{{O}_{3}}+HCl	o NaCl+C{{O}_{2}}+{{H}_{2}}O$$

Answer

$$N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O	o NaOH+C{{O}_{2}}$$

Question 5

What happens when we add citric acid to milk?

Accepted Answer

the charge on casein gets nullified

Answer

the pH of the milk increases

Answer

precipitation reaction takes place

Answer

casein gets positively charged