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प्रश्न
Write the chemical formula of the following:
magnesium sulphate
एक शब्द/वाक्यांश उत्तर
उत्तर
MgSO4
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संबंधित प्रश्न
Match the metallic elements – with their correct symbols Metallic elements
| Metallic elements | Symbol |
| (a) Potassium | (1) Ca |
| (b) Sodium | (2) Zn |
| (c) Calcium | (3) Pb |
| (d) Magnesium | (4) Hg |
| (e) Zinc | (5) Cu |
| (f) Aluminum | (6) Au |
| (g) Iron | (7) K |
| (h) Lead | (8) Fe |
| (i) Copper | (9) Al |
| (j) Mercury | (10) Na |
| (k) Silver | (11) Mg |
| (l) Platinum | (12) Pt |
| (m) Gold | (13) Ag |
Give the symbol of the following element:
Neon
State the type of element for the following:
Carbon
State the type of element for the following:
Boron
State the type of element for the following:
Phosphorus
Write the radical of the following valency:
Nitrate
Define the term ‘valency’.
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
Mass of one atom of oxygen is
