Question

Choose the correct statements of the following. (i) Bases would be soapy when touched.
(ii) Malic acid is present in apples.
(iii) Stearic acid is present in fats.
(iv) Tooth paste is acidic in nature.

• A. \( (i) \& (ii) \)
• B. \( (i), (ii) \& (iii) \)
• C. \( (ii), (iii) \& (iv) \)
• D. \( (iv) \, \text{only} \)

Hint:

Remember that acids and bases have opposite properties. Bases feel soapy and slippery, while acids are sour and often corrosive.

Answer 1

The Correct Option is B

Step 1: Analyzing the statements.
- (i) Bases would be soapy when touched. This is true for bases like sodium hydroxide that feel slippery and soapy when touched.
- (ii) Malic acid is present in apples. This is correct. Malic acid is the predominant acid found in apples.
- (iii) Stearic acid is present in fats. This is true. Stearic acid is a common fatty acid found in animal fats.
- (iv) Toothpaste is acidic in nature. This is incorrect. Toothpaste is typically alkaline in nature.


Step 2: Conclusion.
Based on the above analysis, the correct statements are (i), (ii), and (iii).

Final Answer: \( (i), (ii) \& (iii) \).