Properties of Acids and Bases
Acids are substances that taste sour and turn blue litmus red. Bases are bitter in taste, soapy to touch, and turn red litmus blue. The reaction between an acid and a base to form salt and water is called a neutralization reaction.
Key Concepts for HSLC 2027
- Indicators: Natural and synthetic indicators like litmus, methyl orange, and phenolphthalein.
- The pH Scale: Measuring the strength of acid or base solutions and its importance in everyday life.
- Chemical Properties: Reactions of acids and bases with metals, metal carbonates, and hydrogen carbonates.
- Important Salts: Preparation and uses of Bleaching powder, Baking soda, Washing soda, and Plaster of Paris.
Chapter-wise Question Answer
Prepare these Class 10 Science solutions for your board exams:
Q1: What is the pH of a neutral solution?
Ans: The pH of a neutral solution is 7.
Q2: Name the acid present in ant sting.
Ans: Methanoic acid (Formic acid).
HSLC Science MCQ & PDF
Focus on the pH of various substances and the chemical formulae of salts like Plaster of Paris for the 2027 HSLC exams.
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