1.
Which of the following is acidic in nature?
2.
Which one of the following turns blue litmus red?
3.
Which acid is found in tomatoes?
4.
The pH of the gastric juices releases during digestion is
5.
Which of the following salts does not contain water of crystallization?
6.
What is the pH of carbonated drinks?
7.
What is the nature of salt formed when a weak acid mix with a strong base?
8.
What is formed by the reaction of a non metal oxide with water?
9.
Phenolphthalein is
10.
Which gas is produced by the reaction of a base with a metal?
11.
Concentrated acid should be diluted by
12.
Which of the following is a antacid?
13.
Which of the following is a strong acid?
14.
Four acid 1, 2, 3 and 4 have pH equal to 2, 3, 4, 5. Which of the following will be strongest acid
15.
Which substance is used to determine the pH of solution
16.
Which substance is present in the poison of ant bee?
17.
According to Bronsted - Lowery, an acid is a substance which
18.
According to Bronsted - Lowery, when HCl gas is dissolved in water, water behaves as
19.
Which of the following is known as baking soda
20.
When blue litmus paper is sipped in an aqueous solution, its colour does not change. Which of the following is a true statement?
21.
What is molecular formula of milk of magnesia?
22.
Which gas is used in fire extinguishers?
23.
Which of the following acid is secreted in our stomach?
24.
When a drop of a solution is put on the litmus paper, blue litmus turns red. The solution will be
25.
Which gas is liberated by the reaction of a acid with carbonate?
26.
Which of the following is a salt of weak acid and weak base?
27.
Which of the following has highest pH value
28.
The external surface of our teeth is made up of...
29.
The substance which give hydroxide ion is?
30.
Which two colours are present at the extreme end of pH chart
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