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I Need Help With A Few Chemistry Questions by SarutobiEky(m): 2:40pm On Jan 15, 2021 |
Good afternoon guys. I was actually going through some chemistry questions when I stumbled on these, I need help biko. It would be highly appreciated 1. If magnesium is burnt in a gas jar of air and excess water is then added, the products will be...(a) Magnesium Hydroxide (b) Magnesium oxide (c) magnesium hydroxide and ammonia (d) alkaline magnesium trioxonitrate IV 2. Atmospheric nitrogen IV is (a) denser than pure nitrogen (b) much more chemically reactive than pure nitrogen (c) a mixture of the family of inert gases d. Higher in nitrogen content than pure nitrogen prepared from nitrogen containing compounds 3.all nitrates...(a) decompose to nitrites on being heated (b) are soluble in water (c) produce N02 when heated with copper and teteraoxosuplhate IV acid (d) decompose on heating to give off brown fumes if nitrogen di oxide 4. Laughing gas is prepared by heating a mixture of sodium trioxonitrate v and ammonium teteraoxosuplhate IV. What happen when a candle is placed in a gas jar of this has? (A) it burns with a yellow flame producing carbon di oxide and oxygen B. It burns with blue flame. C it extinguishes immediately (D). It continues to burn but flame dims 5 There are three main oxides of nitrohen, N20, N0, N02. These oxides illustrates the ability to exist in valency states of (a) 1, 2, and 3 (b) 1, 2 and 4 (c)2, 3 and 4 (d) 1, 3 and 4. Please where you can, do give some explanation, God bless u all. |
Re: I Need Help With A Few Chemistry Questions by mrfreestuff: 2:56pm On Jan 15, 2021 |
SarutobiEky: 3: all nitrates are soluble. Unfortunately, my battery is now flat. Why not do some read up in your textbook or Google search. They are interesting questions and you will be happier if you do it yourself or get the correction of those you missed even if you did it yourself. |
Re: I Need Help With A Few Chemistry Questions by SarutobiEky(m): 3:14pm On Jan 15, 2021 |
mrfreestuff:I've been doing that o. But confusion everywhere. |
Re: I Need Help With A Few Chemistry Questions by SarutobiEky(m): 3:15pm On Jan 15, 2021 |
mrfreestuff:I've been doing that o. But confusion everywhere. Can I send you a pm pls? |
Re: I Need Help With A Few Chemistry Questions by SirWarlock: 3:31pm On Jan 15, 2021 |
that year |
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