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s Block Elements — BITSAT Chemistry PYQs

26 previous year questions from s Block Elements with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

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s Block Elements — BITSAT Chemistry PYQs

The correct order of melting points of the following salts is

Which among the following is used in detergent

Thermal decomposition of lithium nitrate gives

Magnesium burns in CO ₂ to form

Which of the following will precipitate first when aqueous solution containing sulphate ions are added?

Which of the following compounds is thermodynamically is the most stable?

Which of the following has minimum melting point?

Two elements A and B have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and B, respectively, are :

BeF ₂, is soluble in water whereas fluorides of other alkaline earth metals are insoluble because of

The correct order of mobility of alkali metal ions in aqueous solution is-

Which of the following salt would give SO 2 with hot and dil H 2 SO 4 and also decolourises Br 2 water?

Which of the following property of alkaline earth metal increases with their atomic number?

Choose the incorrect statement.

Sodium sulphate is soluble in water but barium sulphate is insoluble because

Which of the following elements mostly form covalent compounds?

Which of the followings forms the base of talcum powder?

The by product of Solvay-ammonia process is

Which of the following among alkalimetal is most reactive?

The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?

Which of the following has correct increasing basic strength?

Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in

When a crystal of caustic soda is exposed to air, a liquid layer is deposited because :

Sodium peroxide in contact with moist air turns white due to formation of:

Beryllium resembles much with :

The value of x is maximum for

For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does not solidify before glass. The metal use