Chemistry-10th Acids, Bases and Salts CBSE Board 2023 Medium
(i) An aqueous solution turns blue litmus red. Which of the following solutions when added in excess would re…
(i) An aqueous solution turns blue litmus red. Which of the following solutions when added in excess would reverse the change ?
- (1)Lemon juice
- (2)Magnesium hydroxide
- (3)Vinegar
- (4)Calcium sulphate (ii) Out of the following, which compound/compounds will turn the phenolphthalein solution pink ? (1) (2) (3) (4) (iii) Name a gas whose aqueous solution is basic. Write the formula/name of this solution. (iv) A basic substance is used to treat a honey-bee sting. Why ? (v) Name the acid which is present in (1) Tomato and (2) Tamarind.
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