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A chemical equation is always balanced t...

A chemical equation is always balanced to fulfil the condition of

A

Dalton's atomic theory

B

law of constant composition

C

law of multiple proportions

D

law of conservation of mass.

Text Solution

Verified by Experts

The correct Answer is:
D
A chemical equation is always balanced to fulfil the condition of law of conservation of mass. According to this law, the total mass of the reactants is equal to the total mass of the products.
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MTG IIT JEE FOUNDATION-ATOMS AND MOLECULES -EXERCISE (MULTIPLE CHOICE QUESTIONS LEVEL-1)
  1. 52 g of He contains

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  2. Atomicity of sulphur is:

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  3. A chemical equation is always balanced to fulfil the condition of

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  4. Chemical formula of ferric oxide is:

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  5. Mass of 1 mole of nitrogen atoms is:

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  6. If the atomic mass of sodium is 23, the number of moles in 46gm of sod...

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  7. How many molecules are present in one in one gram of hydrogen?

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  8. In which of the following the valency of each of the constituent eleme...

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  9. Number of moles of water present in 180 g of water will be:

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  10. Mass of 3 moles of NaOH in grams is:

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  11. Which one of the following statements is incorrect?

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  12. The volume occupied by 1 mole atom of a diatomic gas at STP is

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  13. Molecules of phosphorus and ammonia are respectively:

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  14. Which of the following molecules has highest number of particles?

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  15. Which one of the following parts of gases contains the same number of ...

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  16. Weight of 6.022 xx 10^(20) atoms of silver (at. mass 108 u) is

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  17. The number of carbon atoms in 1 g of CaCO3 is,

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  18. In carbon disulphide (CS2), the mass of sulphur in combination with 3....

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  19. Which one of the following statements is true?

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  20. Two gaseous sample were analysed. One contained 1.2 g of carbon and 3....

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