Consider the following statements regarding bases and alkalis:<br>1. All bases dissolve in water.<br>2. Bases which are soluble in water are called alkalis.<br>3. An alkali is soapy to touch, bitter and corrosive.<br>4. Addition of water to an alkali generates heat.<br>Which of the statements given above are <strong>CORRECT</strong>?
- A. 1, 2, 3 and 4
- B. 2, 3 and 4 only ✓
- C. 1 and 2 only
- D. 3 and 4 only
Correct Answer: B. 2, 3 and 4 only
Explanation
Statement 1 is false because not all bases are soluble in water (e.g., copper hydroxide). Only water-soluble bases are termed alkalis. Statements 2, 3, and 4 accurately describe alkalis.
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