Chemistry

तत्वों के बारे में सबसे महत्वपूर्ण सरल सवाल
(Most Important simple questions About Elements)

1. Which is the heaviest element gas ?
Answer: Radon

2. Which is the heaviest metal ?
Answer: Osmium

3. Which is the lightest elemental gas ?
Answer: Hydrogen

4. Which is the lightest metal ?
Answer: Lithium

5. Which is the most abundant gas in the atmosphere ? 
Answer: Nitrogen

6. Which is the most abundant gas in the universe ? 
Answer: Hydrogen

7. Which is the most abundant element in the earths crust ? 
Answer: Oxygen

8. Which is the most abundant metal in the earths crust ? 
Answer: Aluminum

9.  Which is the Metal used as filament of electric bulb ?
Answer: Tungsten

10. Which is the most conducting element ?
Answer: Silver

11. Which is the first artificial element ?
Answer: Technetium

रसायन विज्ञान प्रश्न अयस्कों और धातु

(Chemistry Questions Ores and Metals)

Ore 
 =>>  Metal

Pitch Blend  =>>  Uranium

Monosite  =>>  Thorium

Dolomite  =>>  Calcium

Limestone  =>>  Calcium

Gypsum  =>>  Calcium

Flourospar  =>>  Calcium

Malachite  =>>  Copper

Copper Pyrities  =>> 
Copper

Copper gland  =>>  Copper

Chalcolite  =>>  Copper

Zinc blend  =>>  Zinc

Magnatite  =>>  Magnesium

Pyrolusite  =>>  Manganese

Bauxite  =>>  Aluminum

Wolframite  =>>  Tungsten

Scheelite
  =>>  Tungsten

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