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10Acids give hydrogen ions (H⁺) when dissolved in water.
Organic acids are generally strong acids.
Bases give hydroxide ions (OH⁻) when dissolved in water.
Sodium hydroxide is a weak base.
Neutral salts are formed when a strong acid reacts with a strong base.
Acids turn blue litmus red, but they do not change red litmus paper.
Metallic carbonates react with acids to produce metallic salts, water, and oxygen gas.
Ammonium salts react with bases to produce ammonia gas.
Sodium chloride is an example of an acidic salt.
A more reactive metal can displace a less reactive metal from its salt solution.
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Which of the following is a property of an acid?
Which of the following turns red litmus blue?
Which of the following liquids will produce bubbles as soon as zinc pieces are placed in it?
What is the reason for using ash to reduce soil acidity?
Which salt is used in fire extinguishers?
Which of the following acids is found in citrus fruits?
Which of the following bases is used as an antacid for gastric hyperacidity?
Which of the following is a reaction between an acid and a base?
Which of the following is a basic salt?
When iron powder is added to copper sulfate solution, which metal is displaced?
Acids that are found naturally in plants and animals are called ______.
Acids prepared in the laboratory using minerals are called ______.
Bases that dissolve in water are called ______.
Strong acids give more ______ when dissolved in water.
Sodium hydroxide + Hydrochloric acid → ______ + water.
Ammonium sulphate + Sodium hydroxide → ______ + water + sodium sulfate.
Salts formed after the reaction of a strong acid and a weak base are called ______.
Salts formed after the reaction of a strong base and a weak acid are called ______.
A more reactive metal displaces a less reactive metal from its ______ solution.
Bases change phenolphthalein to ______ colour.