91. The antacid marketed as milk of magnesia has as main ingredient.
92. Assertion (A) To dilute sulphuric acid, acid is added to water and not water to acid.
Reason (R) Specific heat of water is very high.
Reason (R) Specific heat of water is very high.
93. Which one of the following statements is correct?
94. A mixture of concentrated nitric acid and concentrated hydrochloric acid in the ratio of . . . . . . . . is called Aqua-Regia.
95. The substance most commonly used as a food preservative is
96. Consider the following statements.
1. Anhydrous Sodium bicarbonate is commonly known as baking sodium (baking soda).
2. Baking soda is used as a fire extinguisher.
3. Bleaching powders are produced in Hasnclaver plant.
Which of these statements is right.
1. Anhydrous Sodium bicarbonate is commonly known as baking sodium (baking soda).
2. Baking soda is used as a fire extinguisher.
3. Bleaching powders are produced in Hasnclaver plant.
Which of these statements is right.
97. Which of the following is present in maximum, amount in acid rain?
98. . . . . . . . . is an amphoteric nature?
99. Metals react with acids to produce.
100. Which of the following metals can form amphoteric oxide?
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