What is the action of heat on the following? (a) Ammonium hydroxide (b – InterviewSolution

InterviewSolution

1.	What is the action of heat on the following? (a) Ammonium hydroxide (b) Aluminium hydroxide (c) Sodium hydroxide
Answer» (a) Ammonium hydroxide decomposes rapidly to give ammonia gas and water upon slight heating. `NH_(4)OH overset(Delta)rarr NH_(3) + H_(2)O` (b) On heating aluminium hydroxide gives alumina and water. `2A1(OH)_(3) rarr A1_(2)O_(3) + 3H_(2)O` ltBrgt (c) NaOH melts on strong heating but it does not undego decomposition.

Discussion

No Comment Found

Related InterviewSolutions

Choose base from the following compounds:(a) Salt(b) Acid of salt (c) Washing soda (d) Magic acid
Acid present in tamarind:(a) Lactic acid(b) Citric acid (c) Tartaric acid(d) Acetic acid
Natural indicators are prepared from….. i) plants ii) petrochemicals iii) living organisms iv) minerals A) only i B) both i and ii C) both i and iii D) both ii and iv
Why lime, orange juice, tamarind etc. sour in taste.
What is the taste of baking soda?
What are the colours of the following natural and synthetic indicators in acidic and basic solutions? Litmus, turmeric, jamun, methyl orange, phenolphthalein?
……………….. taste is a characteristic property of all acids in aqueous solutions A) Sour B) Bitter C) Salty D) Sweet
Define ‘amphoteric oxides’ and give two examples.
As aqueous acid solutions conduct electricity, they are identified as A) electrolytes B) bad conductors C) good conductors D) Both A and C
Which of the following solutions convert red litmus paper to blue A) HCl B) HNO2 C) NaOH D) None