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प्रश्न
Give two examples of the following:
Solid + Liquid mixture
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उत्तर
Solid + Liquid mixture :
- Sand and water,
- Charcoal and water.
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संबंधित प्रश्न
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
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 |
State the type of element for the following:
Oxygen
State the type of element for the following:
Sulphur
State the type of element for the following:
Chlorine
Give the formula of the following acid:
Nitric
Give the formula of the following gas:
Nitric oxide
Symbol of mercury is
How many elements are known at present?
