Question

SUB: SCIENCE
TIME: 14 HOURS
1
1. Sodium forms sodium oxide in air. What type of change is it?
nannacant other than the reactants​

Answer 1

Answer:

chemical change

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Answer 2

Answer: chemical change .

These changes arise because the silicon dioxide and soda have reacted to form sodium silicates of the general formula Na2[SiO2]x[SiO 3]