Chemistry · Chemistry in Everyday Life
Which of the following statements about commonly used household chemicals are correct? 1. Baking soda is used in baking because on heating it releases carbon dioxide gas. 2. Washing soda helps to soften hard water by precipitating calcium and magnesium ions as carbonates. 3. Bleaching powder acts as a disinfectant because it slowly releases chlorine. 4. Vinegar is a strong mineral acid that behaves like concentrated hydrochloric acid.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11, 2, 3 and 4
- 22 and 4 only
- 31, 2 and 3 only✓
- 41 and 2 only
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1, 2 and 3 only
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