Chemistry Crash Course NDA & NA EE>Chapter 3 - Atoms and Molecules>Exercise 1>Q 36

EASY

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IMPORTANT

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Ammonia $({NH}_{3})$ obtained from different sources always has same proportion by mass of nitrogen and hydrogen. It proves the validity the law of:

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Important Questions on Atoms and Molecules

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NDA & NA EE

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Chemistry Crash Course NDA & NA EE>Chapter 3 - Atoms and Molecules>Exercise 1>Q 37

The law of conservation of mass is not correct for:

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IMPORTANT

Chemistry Crash Course NDA & NA EE>Chapter 3 - Atoms and Molecules>Exercise 1>Q 38

Chemical equation is balanced, according to the law of:

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Chemistry Crash Course NDA & NA EE>Chapter 3 - Atoms and Molecules>Exercise 1>Q 39

Hydrogen, sulphur and oxygen gives

H_{2} S, {SO}_{2}

and

H_{2} O .

This is according to the law of

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Chemistry Crash Course NDA & NA EE>Chapter 3 - Atoms and Molecules>Exercise 1>Q 40

The reaction between iron and copper sulphate solution represents which type of reaction?