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प्रश्न
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
पर्याय
24 g of magnesium and 6 g of carbon
12 g of carbon and 24 g of magnesium
20 g of magnesium and 10 g of carbon
12 g of magnesium and 6 g of carbon
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उत्तर
12g of magnesium and 6g of carbon
The student will have to weigh 12 g of Magnesium and 6 g of Carbon.
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संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
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Write the formula of it
Phosphate
State which element exists in the highest percentage in earth’s crust.
Give the symbol of the following element:
Iodine
State the type of element for the following:
Calcium
State the type of element for the following:
Bromine
State the type of element for the following:
Aluminium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
Define the term ‘symbol’.
Name three metals whose symbols are derived: from their Latin names.
