Q1 Write the chemical symbols of the following
Elements:
Hydrogen
Sodium
Magnesium
Aluminium
Calcium
Potassium
Iron
Q2 Write the symbols of the following compounds:
Water
Calcium carbonate
Aluminium sulphate
Sodium oxide
Copper sulphate
Hydrochloric acid
Magnesium hydroxide
Sodium chloride
Q3 Write the symbols of following ions:
Sodium
Magnesium
Aluminium
Calcium
Hydrogen
Copper
Iron
Zinc
Q4 Write the balanced equations for the following
Word equations:
Answers
Answered by
1
Answer:
1. H
2. Na
3. Mg
4. Al
5. Ca
6. K
7. Fe
Q2. 1. H2O
2. CaCO3
3. Al2(SO4)3
4. Na2O
5. CuSO4
6. HCl
7. Mg(OH)2
8. NaCl
Rest I will tell later...
Explanation:
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Answered by
1
Answer:
1 hydrogen - H
2 sodium - Na
3 magnesium - Mg
4 Aluminium - Al
5 Calcium - Ca
6 Potassium - K
7 Iron - Fe
8 Copper - Cu
9 Gold - Au
10 Silver - Ag
11 Carbon - C
12 Oxygen - O
13 Sulphur - S
14 Nitrogen - N
15 Phosphorus - P
16 Chlorine - Cl
17 Bromine - Br
18 Iodine - I
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