EASY
Earn 100
Hydrolysis of sodium peroxide with hot water is an example of an exothermic reaction.
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Important Questions on The s-Block Elements
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Choose the incorrect statement.
HARD
Which of the following salt would give with hot and dil and also decolourises water?
MEDIUM
On strong heating, the nitrate of which metal does not produce nitrogen dioxide?
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The metal nitrate that liberates on heating
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Alkali metals readily react with water to form hydroxides and _____ gas.
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Which of the following metals has stable carbonates?
MEDIUM
Which product is formed in the following reaction?
MEDIUM
Nitrogen dioxide cannot be prepared by heating.
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Name the bicarbonate of alkali metal which does not exist in the solid-state is _____. (Chemical name)
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The low solubility of _____ is due to smaller hydration enthalpy of its two ions.
HARD
Out of the following chose the correct statements
HARD
On heating a mixture containing 1 mole each of Li2CO3 and K2CO3 ..... is/are formed.
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Metal superoxides react with water forming metal hydroxides, _____ and oxygen gas.
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Which of the following is weakest base?
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_____ is the most soluble halide(In alkali metal) of potassium due to its lowest lattice energy.
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Regarding sulphates of alkali and alkaline earth metals select the correct statement.
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The sulphates of _____ metals and alkaline earth metals are all thermally stable.
HARD
Which of the following bicarbonates is /are found in the solid state?
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Which one of the following on hydrolysis, gives the corresponding metallic hydroxide,
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Regarding compounds of S - Block elements select the correct statements from the following.
