JEE Advanced 2020 Full Test 2 Paper 2

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Question : 19 of 54

Marks: +1, -0

Which of the following statement(s) is/are correct?

Sodium bicarbonate is more soluble than sodium carbonate
Sodium hydroxide is known as caustic soda
Mg2+ ions are precipitated with the addition of NH4OH in the presence of NH4Cl
CaO2 is less stable than MgO2

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