Chemistry-
General
Easy
Question
What is the symbol of Lead?
- La
- Le
- Pb
- As
The correct answer is: Pb
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0.44g of a colourless oxide of nitrogen occupies 224 mL at STP. The compound is:
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Final strength of 49% (w/v) solution of H2SO4
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What is the IUPAC name of this compound ?
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The concentration of ethanoic acid in vinegar is:
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Graphite is a soft lubricant extremely difficult to melt. The reason for this anomalous behaviour is that graphite
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Which of the following remains unchanged on descending a group in the periodic table?
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