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Au is the symbol for: 

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Important Questions on Language of Chemistry

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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 3
Hg is a symbol of: 
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 4

Which of the following are incorrectly matched? 
i. Cobalt - CO 

ii. Carbon - c

iii. Tin - Sn

iv. Chlorine - CL 


 

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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 5
Which one of these is defined as the combining capacity of an atom of an element? 
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 6
Valency of mercury is: 
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 7
Which one of these is a monoatomic ion? 
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 8
Which one of these is a not a polyatomic ion? 
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 9
The chemical formula of sodium carbonate is:
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8th ICSE
IMPORTANT
Lakhmir Singh's Science - Chemistry>Chapter 5 - Language of Chemistry>EXERCISES>Q 10
Which of the following is a balanced chemical equation?