Search questions
Use text search or combine filters to find exactly the questions you need.
Class 10 · Science
→If baking powder contains only baking soda and no acidic substance, why can the taste of the food be affected?
Class 10 · Science
→What is the main reason for adding an acidic substance to baking powder?
Class 10 · Science
→What kind of solution is formed in water by the solid left after heating baking soda?
Class 10 · Science
→How will the gas formed on heating baking soda be confirmed?
Class 10 · Science
→Where is sodium hydroxide obtained in the chlor-alkali process?
Class 10 · Science
→What is the correct order of gases formed at anode and cathode in the chlor-alkali process?
Class 10 · Science
→Sugar solution does not conduct electricity but sodium chloride solution does. What is the reason?
Class 10 · Science
→Why does a salt solution conduct electricity even though it is neutral?
Class 10 · Science
→Blue copper sulphate became white on heating and turned blue again on adding water. What was proved?
Class 10 · Science
→Why can the quality of plaster of Paris be spoiled by overheating gypsum?
Class 10 · Science
→What is the scientific reason for storing bleaching powder in a dry closed container?
Class 10 · Science
→Why does sodium hydroxide not remain pure when kept in open air?
Class 10 · Science
→If water is suddenly added to concentrated acid, what is the main danger?
Class 10 · Science
→Why is it safe to add acid slowly into water?
Class 10 · Science
→Why does the milkiness of lime water disappear when excess carbon dioxide is passed?
Class 10 · Science
→How is the gas formed in the reaction of an acid with hydrogen carbonate confirmed?
Class 10 · Science
→A substance gives carbon dioxide with acid and its solution is basic. Which substance can it be?
Class 10 · Science
→Why does copper generally not give hydrogen gas with dilute acids?
Class 10 · Science
→A metal gives a gas with acid and the gas gives a pop sound near a burning splint. Which conclusion about the metal is correct?
Class 10 · Science
→