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ICSE Class 9 Answered

HOW CAN YOU OBTAIN HYDROGEN FROM NAOH (EXCEPT ELECTROLYSIS)?
Asked by cbiswajit | 30 Sep, 2018, 11:01: PM
answered-by-expert Expert Answer
When zinc is heated with aq. sodium hydroxide it forms sodium zincate and hydrogen gas.
 
Zn subscript left parenthesis straight s right parenthesis end subscript space plus space 2 NaOH subscript left parenthesis aq right parenthesis end subscript space rightwards arrow with heat on top space space space Na subscript 2 ZnO subscript 2 left parenthesis aq right parenthesis end subscript space space plus space space straight H subscript 2 left parenthesis straight g right parenthesis end subscript space upwards arrow
Answered by Ramandeep | 01 Oct, 2018, 02:49: PM

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ICSE 9 - Chemistry
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