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Class 10 · Science · Medium
→Why can adding water directly to concentrated acid cause an accident?
Class 10 · Science · Medium
→Why should acid be added slowly to water while mixing acid with water?
Class 10 · Science · Medium
→If a solution does not change either red or blue litmus, which test can give more clarity?
Class 10 · Science · Easy
→A student tried to identify an unknown solution by touching it in the laboratory. Why is this method wrong?
Class 10 · Science · Easy
→How can onion juice identify a base as an olfactory indicator?
Class 10 · Science · Easy
→How can hibiscus flower extract help in identifying acids and bases?
Class 10 · Science · Medium
→Which substance can identify a basic solution as a natural indicator?
Class 10 · Science · Medium
→Why is soil pH testing useful in agriculture?
Class 10 · Science · Medium
→If the pH of soil is very low, what effect can it have on plant growth?
Class 10 · Science · Medium
→Why is baking soda useful for reducing the effect of acid present in an ant sting?
Class 10 · Science · Medium
→Why does taking an antacid give relief when acidity increases in the stomach?
Class 10 · Science · Medium
→Which condition is more favourable for the beginning of tooth decay?
Class 10 · Science · Medium
→Why is rinsing the mouth after meals helpful in protecting tooth enamel?
Class 10 · Science · Medium
→How can acid rain damage marble buildings?
Class 10 · Science · Medium
→Why is it proper to store bleaching powder in a dry and closed container?
Class 10 · Science · Medium
→Which is the correct method of preparing bleaching powder?
Class 10 · Science · Medium
→The alkali left in solution during the chlor-alkali process is useful in which industry?
Class 10 · Science · Medium
→The gas formed near the cathode in the chlor-alkali process can be used in which process?
Class 10 · Science · Medium
→The gas produced near the anode in the chlor-alkali process can be used for which purpose?
Class 10 · Science · Medium
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