JEE MAINS PRACTICE · Chemistry
s Block Elements
352 practice questions for JEE Mains Practice — 261 easy · 89 medium · 2 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
Which of the following elements is the radioactive alkaline earth metal?
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
Beryllium shows diagonal relationship with
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
In the given reaction, the oxide of sodium is $\binom{4 \mathrm{Na}+\mathrm{O}_2 \longrightarrow 2 \mathrm{Na}_2 \mathrm{O}}{\mathrm{Na}_2 \mathrm{O}+\mathrm{H}_2 \mathrm{O} \longrightarrow 2 \mathrm{NaOH}}$
MCQ
When sodium hydroxide react with sand, it form :
MCQ
Baking powder is more commonly used to make cakes or bread "rise". Filler in baking powder is
MCQ
When $\mathrm{CO}_2$ is passed through solution of calcium hydroxide, which one of the following compound is precipitated?
MCQ
Sodium carbonate is manufactured by :