Which of the following metals burn with brick red flame?<...
Which of the following metals burn with brick red flame?
Pb
Ca
Na
Mg
Correct answer is B
No explanation has been provided for this answer.
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Which of the following substance is a mixture? ...
The primary component of natural gas ...
Consider the reaction represented by the following equation: N2(g) + 3H2(g) ⇌ 2NH3(g); ∆H = - 92...
When sodium reacts with water, the resulting solution is ...