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(2)which of the following statements is incorrect (1)aluminium reacts with excess NaOH to give AlOH_3 NAHCO_3 on heating gives Na_2CO_3 (3)Pure sodium dissolves in liquid ammonia to give blue solution (4NaOH reacts with glass to give sodium silicate

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Q. Which of the following statements is incorrect
1) NaHCO3 on heating gives NA2CO3
2) pure sodium metal dissolves in liquid ammonia to give blue solution
3) NaOH reacts with glass to give sodium silicate
4) Aluminium reacts with excess NaOH to give Al(OH)3

Q. Which of the following statements is wrong about

C u S O_{4}

?

N a O H

reacts with excess

S

A l C l_{3}

reacts with 120 g of NaOH to give aluminium hydroxide. The produced aluminium hydroxide reacts with 3 mol of

H_{2} S O_{4}

to give aluminium sulphate. Calculate the moles of aluminium sulphate produced in the reaction.

A l C l_{3} + 3 N a O H \to A l (O H)_{3} + 3 N a C l

2 A l (O H)_{3} + 3 H_{2} S O_{4} \to A l_{2} (S O_{4})_{3} + 6 H_{2} O

Q. Which of the following compounds will react with

N a H C O_{3}

solution to give sodium salt and carbon dioxide?

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