Search questions
Choose which content to search, then combine terms with AND or OR.
Class 10 · Science · Easy
→Which base can be made industrially from common salt?
Class 10 · Science · Easy
→Which of the following solutions will turn red litmus paper blue?
Class 10 · Science · Easy
→Which of the following substances forms a neutral aqueous solution?
Class 10 · Science · Easy
→A student dissolved a white powder in water and added blue litmus to it. The litmus turned red. What type of substance is the powder most likely to be?
Class 10 · Science · Easy
→Which gas can be released when baking soda is heated?
Class 10 · Science · Easy
→A student wants to increase the pH of acidic soil. Which of the following substances should be added to the soil?
Class 10 · Science · Easy
→Which salt is commonly used to remove permanent hardness of water?
Class 10 · Science · Easy
→Bleaching powder is mainly used for what purpose?
Class 10 · Science · Easy
→A student says that an antacid relieves indigestion by increasing the amount of acid in the stomach. What is the correct correction to this statement?
Class 10 · Science · Easy
→A student dilutes concentrated sulphuric acid by adding water to a beaker containing acid. What correction should be made to prevent an accident?
Class 10 · Science · Easy
→A student says that distilled water is a good conductor of electricity because it contains H⁺ and OH⁻ ions. What is the correct correction to this statement?
Class 10 · Science · Easy
→Hydrochloric acid is what type of acid?
Class 10 · Science · Easy
→Which of the following salts is an example of a neutral salt?
Class 10 · Science · Easy
→What type of process is mixing acid with water?
Class 10 · Science · Easy
→What care should be taken while mixing acid with water?
Class 10 · Science · Medium
→Why does dry hydrogen chloride gas show no effect on dry blue litmus?
Class 10 · Science · Easy
→Why is dissolving acids in water considered necessary?
Class 10 · Science · Easy
→Which of the following substances acts as an olfactory indicator?
Class 10 · Science · Medium
→Which of the following salts gives an approximately neutral solution in water?
Class 10 · Science · Easy
→