IGCSE A Level Chemistry MCQs - Chapter 22

Periodicity Multiple Choice Questions PDF Download - 5

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The Multiple Choice Question (MCQ Quiz): Lowest relative melting point among the four oxides is of; "Periodicity" App Download (Free) with answers so₃, so₂ (g), p₄o₁₀ to study IGCSE certificate courses. Solve relative melting point of period 3 oxides quiz questions, download Google eBook (Free Sample) for GRE subject tests.

Periodicity Questions & Answers PDF Download: MCQ Quiz 5

MCQ 21: The lowest relative melting point among the four oxides is of

SO₂ (g)
SO₃
P₄O₁₀
all of above

MCQ 22: The element in Period 3 with the lowest electronegativity is

MCQ 23: When phosphorus reacts with oxygen, it gives off clouds of

white color
phosphorus oxide only
phosphorus dioxide
white color and phosphorus oxide

MCQ 24: If heated Mg_(s) is allowed to react with H₂O_(l), the product formed other than H₂_(g) will be

MgO(s)
MgO(aq)
Mg(OH)₂ (aq)
Mg₂O₃(s)

MCQ 25: Among period 3 elements, an element which has a higher electronegativity than others is

chlorine
argon
sulfuric acid
silicon

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