Common Acids and Bases in Daily Life
Chemistry ⇒ Acids, Bases, and Salts
Common Acids and Bases in Daily Life starts at 7 and continues till grade 12.
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See sample questions for grade 10
A student adds lemon juice to a solution of baking soda. What type of reaction occurs?
Describe the role of acids and bases in maintaining oral hygiene.
Explain why acidic foods are often stored in glass containers rather than metal ones.
Explain why antacids are used to relieve indigestion.
Explain why lemon juice can be used to remove rust stains from clothes.
Is soap solution acidic or basic?
Name one acid and one base that are commonly found in the kitchen.
Name the acid found in apples.
Which acid is present in curd?
Which acid is responsible for the sour taste in yogurt?
A cleaning product is labeled as 'alkaline'. What does this indicate about its pH, and why might this property be useful for removing grease?
A student accidentally spills a small amount of hydrochloric acid (HCl) on a marble countertop, which is mainly composed of calcium carbonate (CaCO3). Describe the chemical reaction that takes place and explain why acids are not recommended for cleaning marble surfaces.
Explain how the pH value of a substance helps in identifying whether it is an acid or a base. Give two examples from daily life for each category and their approximate pH values.
Explain why mixing vinegar and baking soda produces fizzing, and write the balanced chemical equation for the reaction.
