JEE MAINS PRACTICE · Chemistry
s Block Elements
366 practice questions for JEE Mains Practice — 167 easy · 98 medium · 101 hard. Every question is graded instantly with a step-by-step solution when you miss it.
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MCQ
Which of the following substance does NOT contain $\text{CaCO}_3$?
MCQ
Identify the oxide used as $\text{CO}_2$ adsorbent and oxygen generator from following?
MCQ
Identify the pair of basic oxides from the following?
MCQ
Which of the following compound used in petrol refining?
MCQ
Which of the following elements is the radioactive alkaline earth metal?
MCQ
Match List I with List II and choose correct answer from the codes given below $\begin{array}{llll}\mathrm{A} & \mathrm{B} & \mathrm{C} & \mathrm{D}\end{array}$
MCQ
Beryllium shows diagonal relationship with
MCQ
$\mathrm{KO}_2$ is used in life supports in space crafts, submarines and emergency breathing apparatus since it
MCQ
The first element of rare earth metal is
MCQ
Which of the following is the formula of Sorel's cement?
MCQ
The hydroxide of alkaline earth metal not soluble in water is
MCQ
When $\mathrm{CO}_2$ is passed through solution of calcium hydroxide, which one of the following compound is precipitated?