G-SET  CHEMICAL SCIENCE PAPER SOLVED 2022

1. Which among the following is incorrect?
• The Oxide and Hydroxide of Al and Ga are Amphoteric in Nature.
• The Oxide and Hydroxide of In and Tl are purely Basic.
• Al(OH)3 Dissolve in excess of NH4OH whereas Zn(OH)2 does not.
• Tl2O3 and In2O3 are completely basic and form neither hydrates nor hydroxide.
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