Question

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Answer 1

Answer:

element : He , Na , K ,

compound : SO2 , H2O , CaO ,

mixture : soil , aluminum foil, iron rod, lemonade

1. sodium chloride = NaCl

2. hydrogen fluoride = HF

3. Carbon dioxide = CO2

4. Aluminum hydroxide =Al(OH)3

5. calcium sulphate = CaSO4

Explanation:

Answer 2

" Answer:

Q1

SO2 - Compound

H20 - Compound

CaO - Compound

He- Element

Na - Element

K - Element

Iron rod - Mixture

Aluminium foil - Mixture

Soil- mixture

Lemonade - Mixture

Chemical formulas

1. NaCl

2.HF

3 CO2

4.Al(OH)3

5 CaSO4 "