Science Practice Quiz 166

Q1.Which of the following are the primary products formed during a neutralisation reaction?

A. Acid and base B. Salt and water C. Oxygen and hydrogen D. Carbon dioxide and water

Q2.What is always produced or evolved during a neutralisation reaction, leading to an increase in the temperature of the reaction mixture?

A. Light B. Sound C. Heat D. Electricity

Q3.What can be the nature of the salt formed as a product of a neutralisation reaction?

A. Always acidic B. Always basic C. Always neutral D. Acidic, basic, or neutral

Q4.In the example neutralisation reaction: Hydrochloric acid + Sodium hydroxide → Sodium chloride + Water, what does 'Sodium chloride' represent?

A. An acid B. A base C. A salt D. Water

Q5.Which of the following is mentioned as an antacid used to relieve indigestion?

A. Baking soda B. Calamine solution C. Milk of magnesia D. Quick lime

Q6.Milk of magnesia, commonly used as an antacid, primarily contains which chemical compound?

A. Sodium hydrogencarbonate B. Zinc carbonate C. Magnesium hydroxide D. Calcium oxide

Q7.Which acidic liquid is injected into the skin when an ant bites?

A. Hydrochloric acid B. Sulphuric acid C. Formic acid D. Citric acid

Q8.To neutralise the effect of an ant bite, which of the following substances can be rubbed on the skin?

A. Dilute sulphuric acid B. Quick lime C. Moist baking soda D. Organic matter

Q9.Moist baking soda, used to neutralise ant bites, contains which chemical compound?

A. Sodium chloride B. Sodium carbonate C. Sodium hydrogencarbonate D. Sodium hydroxide

Q10.Calamine solution, used to neutralise ant bites, contains which chemical compound?

A. Calcium carbonate B. Zinc carbonate C. Magnesium carbonate D. Sodium carbonate