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Important Questions: General Introduction: Electronic configuration and general trends in physical and chemical properties of elements across the periods and down the groups for JEE

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Q1ChemistryUnit 10: p-Block Elements

The given figure shows the plant for the formation of an important compound

\mathbf{X}

Identify

X

Q2ChemistryUnit 10: p-Block Elements

Helium is used in balloons in place of hydrogen because it is:

Q3ChemistryUnit 10: p-Block Elements

Bleaching powder is obtained by the interaction of

C l_{2}

with:

Q4ChemistryUnit 10: p-Block Elements

Which of the following is a property of nitrogen?

Q5ChemistryUnit 10: p-Block Elements

When molten sulphur is suddenly cooled by pouring into water, it takes the form of :

Q6ChemistryUnit 10: p-Block Elements

Acid rain is caused by

Q7ChemistryUnit 10: p-Block Elements

\begin{array}{ll}\text { List-I } & \text { List-II } \\ \text { (A) } O_{3}+C_{2} N_{2} & \text { (1) Black colour } \\ \text { (B) } H_{2} O_{2}+O_{3} & \text { (2) Rocket fuel } \\ \text { (C) } A g+O_{3} & \text { (3) Tailing } \\ \text { (D) } O_{3}+H g & \text { (4) } O_{2}+H_{2} O\end{array}

The correct match is:

Q8ChemistryUnit 10: p-Block Elements

Chief source of soil and water pollution is:

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Which subtopics in p-Block Elements are high-weightage?

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