1-methyl pentane
3-methylbutane
2-methylbutane
1-dimethyl propane
Correct answer is C
The longest carbon chain is butane, with one substituent attached at carbon number 2
therefore the compound is named 2-methyl butane
lead oxide
Magnesium oxide
Copper oxide
Tin oxide
Correct answer is B
The oxides of Potassium, Sodium, Calcium, and Magnesium are not reduced when they react with carbon and hydrogen.
10cm\(^3\)
12cm\(^3\)
14cm\(^3\)
16cm\(^3\)
Correct answer is D
No explanation has been provided for this answer.
Suitable reagents for the laboratory preparation of nitrogen are
sodium dioxonitrate(III) and ammonium chloride
sodium trioxonitrate(V) and ammonium chloride
sodium chloride and ammonium trioxonitrate(V)
sodium chloride and ammonium di-ozonitrate(III)
Correct answer is A
No explanation has been provided for this answer.
2.7g
1.2g
0.9g
0.3g
Correct answer is D
No explanation has been provided for this answer.
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