Science, asked by ayesha171273, 1 day ago

One word answers
Q1-Which gas is released when baking soda is mixed with vinegar?

Q2-What happens when carbon dioxide is passed through lime water?

Q3.Name thebrown coloured layer formed on iron articles over aperiodof time.

Q4-. What is the role of ozone in the atmosphere?

Q5-. What type of change is photosynthesis?

Q6-. How are large crystals of pure substances obtained?

Q7. What type of change takes place when iron filings are attracted towards a magnet?

Answers

Answered by mhrzabu
1

Answer:

1. Carbon Dioxide

2. milky due

3. RUSTING OF IRON

4. sunscreen

5. Chemical Change

6. crystallization

7.

SEVEN NUMBER ANSWER I DON'T KNOW

Explanation:

Answered by 09876afreenbegum
0

Answer:

1 carbon dioxide

Explanation:

2 to form a white precipitate of calcium carbonate CaCO³

3 it call rust and this process is called rusting

4 ozone protect life on earth from the sun ultraviolet radiation

5 chemical change

6 crystallisation

7 I don't know this answer

please mark me as brainlist

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