Chemistry P1 and P2 today

[Saad Mughal]

i did that question with the Mr if i can remember correctly.... i divided the mass of nitrogen from the total mass of the compound and i got higher than in firt and as the moles were equal in both so i got higher then and equal to...

That's just the thing. I marked B and then changed it to C since I thought it was correct.

 

[asma tareen]

But hey, calcium hydroxide is a base. I think lithium should have been the correct option, it's an alkali earth metal and reacts readily with water to produce lithium hydroxide that's an alkali. I really hope they accept either calcium or lithium. I chose calcium. :/

i wrote lithium too

 

[Saad Mughal]

But hey, calcium hydroxide is a base. I think lithium should have been the correct option, it's an alkali earth metal and reacts readily with water to produce lithium hydroxide that's an alkali. I really hope they accept either calcium or lithium. I chose calcium. :/

Was it Alkali?

 

[ritx]

I thi

Which of the following oxides reacts with sodium hydroxide?
Aluminium Oxide
Carbon Dioxide
Copper Oxide
One else.

I think we had to choose a par of compounds.

I chose aluminium oxide and carbon dioxide.

 

[Saad Mughal]

I thi
I think we had to choose a par of compounds.

I chose aluminium oxide and carbon dioxide.

Yeah.

 

[Imran Nagi]

were those 2 ions in p2nh4+ and Co3-2?n which did u guys write in the subsequent part?

 

[Snowysangel]

Which of the following oxides reacts with sodium hydroxide?
Aluminium Oxide
Carbon Dioxide
Copper Oxide
One else.

Aluminium and carbon

 

[HAS MAN]

2 ions were NH4+ and VO3- and the gas liberated was ammonia

 

[abd1336480007]

I thi
I think we had to choose a par of compounds.

I chose aluminium oxide and carbon dioxide.

so i got it wrong . . What was the reason for your selection?

 

[Imran Nagi]

what is VO3-?

 

[Snowysangel]

But hey, calcium hydroxide is a base. I think lithium should have been the correct option, it's an alkali earth metal and reacts readily with water to produce lithium hydroxide that's an alkali. I really hope they accept either calcium or lithium. I chose calcium. :/

I think it said to form an alkaline solution...I'm sure tho. We're we supposed to know that calcium hydroxide isn't soluble

 

[ReN0uNeD De\/!|_]

what is VO3-?

Vanadate...... if i can remember correctly...

 

[Saad Mughal]

Aluminium and carbon

I know.

 

[Saad Mughal]

Vanadate...... if i can remember correctly...

Metavanadate Ion.

 

[Saad Mughal]

But hey, calcium hydroxide is a base. I think lithium should have been the correct option, it's an alkali earth metal and reacts readily with water to produce lithium hydroxide that's an alkali. I really hope they accept either calcium or lithium. I chose calcium. :/

Oh, I just realized. Calcium Hydroxide is soluble.

 

[ReN0uNeD De\/!|_]

Metavanadate Ion.

chalo ap meta bhi laga lo yar.... koi bt nahi.... me galat ap sahi.... khosh....

 

[Saad Mughal]

so i got it wrong . . What was the reason for your selection?

Carbon Dioxide - Acidic Oxide.
Aluminium Oxide - Amphoteric Oxide.

 

[Saad Mughal]

chalo ap meta bhi laga lo yar.... koi bt nahi.... me galat ap sahi.... khosh....

There's no level of being 'Chora'.
Did you get this question right?

 

[Snowysangel]

Oh, I just realized. Calcium Hydroxide is soluble.

But only slightly...can it form an alkali

 

[ReN0uNeD De\/!|_]

There's no level of being 'Chora'.
Did you get this question right?

NOpe.... wrote NO3 instead of VO3....