Question

Kiran took lemon juice in two flasks. She put salt in flask I and washing powder in flask II she observed lots of bubbles in flask II but nothing in flask I. What could be the reason for this? Explain.

Write 5 to 10 lines​

Answer 1

Bases are soapy and therefore produce bubbles .

Answer 2

Answer:

Lemon juice (acid) reacts with washing soba (base) and liberates carbon dioxide gas i.e., a new substance is formed. Thus, it is a chemical change. Whereas, addition of salt in lemon juice is a physical change as only salt gets dissolved in lemon juice, no chemical reaction takes place,

Explanation:

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