Search questions
Choose which content to search, then combine terms with AND or OR.
Class 10 · Science · Easy
→Which type of substance is useful to reduce the acidic effect of a nettle sting?
Class 10 · Science · Medium
→A bee sting contains an acidic substance. Which substance is suitable to reduce its pain?
Class 10 · Science · Easy
→Among tomato juice, soap solution, pure water and baking soda solution, which substance will be neutral?
Class 10 · Science · Easy
→When milk turns sour, in which direction does its pH change?
Class 10 · Science · Easy
→Four solutions have pH values 1, 4, 8 and 13. Which one is the most acidic?
Class 10 · Science · Easy
→Four solutions have pH values 2, 6, 7 and 12. Which one is the most basic?
Class 10 · Science · Medium
→A student added water to concentrated acid. Why is this dangerous?
Class 10 · Science · Medium
→During dilution of an acid, the outer surface of the glass container feels hot. What type of process does this show?
Class 10 · Science · Medium
→Why can milky lime water become clear again when excess carbon dioxide is passed?
Class 10 · Science · Medium
→In which experiment is the milky appearance of lime water the most useful test?
Class 10 · Science · Medium
→What products are formed when dilute hydrochloric acid is added to sodium carbonate?
Class 10 · Science · Medium
→A bulb glows in an aqueous acid but not in dry acidic gas. What is the correct reason?
Class 10 · Science · Medium
→Which salt is formed when zinc reacts with dilute sulphuric acid?
Class 10 · Science · Medium
→What is the name of the salt formed when a magnesium ribbon is added to dilute hydrochloric acid?
Class 10 · Science · Medium
→If a solution turns red litmus blue and turmeric reddish brown, what is its nature?
Class 10 · Science · Medium
→Which of the following salts forms a basic aqueous solution?
Class 10 · Science · Medium
→If a solution has pH 2, what will be its nature?
Class 10 · Science · Medium
→Non-metal oxides are generally of which nature?
Class 10 · Science · Medium
→What is formed when an acid reacts with a metal oxide?
Class 10 · Science · Medium
→