Search questions
Choose which content to search, then combine terms with AND or OR.
Class 10 · Science · Medium
→While diluting acid, why is it correct to add acid slowly to water instead of water to acid?
Class 10 · Science · Medium
→Magnesium and calcium carbonate are added separately to an acidic solution. What is the correct order of gases formed?
Class 10 · Science · Hard
→Carbon dioxide first makes lime water milky and then removes the milkiness in excess. What is the second soluble substance?
Class 10 · Science · Medium
→A white solid gives a gas with acid that turns lime water milky. The solid may belong to which group?
Class 10 · Science · Medium
→A salt solution turns red litmus blue. It is more likely formed from which combination?
Class 10 · Science · Medium
→A salt solution turns blue litmus slightly red. From which type of acid and base may this salt be formed?
Class 10 · Science · Hard
→Why is the conductivity of hydrochloric acid greater than ethanoic acid at the same concentration?
Class 10 · Science · Medium
→A solution gives orange colour with universal indicator and becomes yellow after adding more water. What is the correct conclusion?
Class 10 · Science · Medium
→A solution has pH 2 and is diluted to become one hundred times less acidic. What will be the approximate new pH?
Class 10 · Science · Medium
→An unknown solution turns blue litmus red and gives a gas with metal carbonate that turns lime water milky. What is the nature of the solution?
Class 10 · Science · Medium
→Why does copper generally not produce hydrogen gas with dilute hydrochloric acid?
Class 10 · Science · Easy
→Why does magnesium ribbon produce bubbles while reacting with dilute acid?
Class 10 · Science · Easy
→Carbonates and hydrogen carbonates both react with acids to give which common gas?
Class 10 · Science · Medium
→Why is an aqueous solution of sodium chloride generally neutral?
Class 10 · Science · Medium
→Which salt solution can generally show acidic nature in water?
Class 10 · Science · Medium
→Which salt solution generally shows basic nature in water?
Class 10 · Science · Easy
→Which substance can generally be applied to reduce irritation caused by an ant bite?
Class 10 · Science · Easy
→In which situation will blue litmus turn red?
Class 10 · Science · Medium
→The main difference between concentrated acid and dilute acid is related to what?
Class 10 · Science · Medium
→