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Class 10 · Science · Medium
→What is formed when an acid reacts with a metal oxide?
Class 10 · Science · Medium
→A rise in temperature during an acid–base reaction indicates what?
Class 10 · Science · Medium
→What colour does phenolphthalein show in a basic solution?
Class 10 · Science · Easy
→What colour does methyl orange indicator show in an acidic solution?
Class 10 · Science · Easy
→Which of the following substances is basic in nature?
Class 10 · Science · Easy
→Which of the following substances is acidic in nature?
Class 10 · Science · Medium
→Among two acids of the same concentration, the one with lower pH will be what?
Class 10 · Science · Medium
→What happens to the pH value when the concentration of hydrogen ions increases in an acidic solution?
Class 10 · Science · Medium
→Why does dry hydrogen chloride gas not change the colour of dry litmus paper?
Class 10 · Science · Medium
→What happens to the temperature of the solution when acid is mixed with water?
Class 10 · Science · Medium
→What is the main basis of difference between a concentrated acid and a dilute acid?
Class 10 · Science · Medium
→Which of the following is an example of a weak acid?
Class 10 · Science · Medium
→Which of the following is an example of a strong acid?
Class 10 · Science · Medium
→Why is plaster of Paris used for making casts on fractured bones?
Class 10 · Science · Medium
→Which of the following salts is formed by the neutralisation of a strong acid and a weak base?
Class 10 · Science · Medium
→Why do blue copper sulphate crystals turn white on heating?
Class 10 · Science · Medium
→What does water of crystallisation mean?
Class 10 · Science · Medium
→What is one major use of washing soda?
Class 10 · Science · Medium
→Which of the following salts has an aqueous solution that turns red litmus paper blue?
Class 10 · Science · Medium
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