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प्रश्न
Give two examples of the following :
Solid + Solid mixture
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उत्तर
Solid + Solid mixture: Sand and sugar,
- Sand and stone,
- sand and sugar.
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संबंधित प्रश्न
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
State which element exists in the highest percentage in earth’s crust.
Give the symbol of the following element:
Carbon
Give the symbol of the following element:
Phosphorus
State the type of element for the following:
Bromine
Give the symbol of the following element:
Nitrate
State the valency of the following metallic element and write symbol with the valency
Zinc
State the valency of the following metallic element and write symbol with the valency
Chromium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Copper
write symbol with the variable valency
What does the symbol '(aq.)' present in a chemical equation, mean?
