UPPSC RO/ARO SAMARTH SCIENCE (ACID, BASE & SALTS) QUIZ

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Question 1:

Why dose a turmeric stain turn red (on white clothes) when it is washed with soap?

Question 2:

What is the most common element present in all Acids ?

Question 3:

A substance which is used to cure the discomfort caused by indigestion due to over eating–

Question 4:

The PH of a solution changes from 3 to 6. The H+ ion concentration –

Question 5:

Antacids are –

Question 6:

Which is the natural indicator of acid and base?

Question 7:

What is the pH of acid rainwater ?

Question 8:

Which of the following is not effected by Acid rain?

Question 9:

A solution having a pH equal to zero is known as-

Question 10:

A milkman adds a small amount of baking soda to milk. This makes the pH of the milk-