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Nabiha
Questions and answers by visitors named
Nabiha
Questions (59)
what do you observe in the displacement reaction of zinc and lead nitrate?
also, what is the symbol equation for this reaction?
5 answers
5,026 views
CaCO3(s) + 2HCl(aq) CaCl2(aq) + H2O (l) +CO2(g) What’s the spectator ion in this ?
4 answers
3,288 views
Where would you find iron II sulphide outside a chemistry laboratory?
5 answers
361 views
where would you find calcium carbonate and sodium chloride outside a chemistry lab?
3 answers
865 views
where would you find iron II oxide and sodium hydrogencarbonate outside a chemistry lab?
1 answer
421 views
where would you find silicon dioxide outside a chemitry lab?
1 answer
271 views
where would you find silicon dioxide outside a chemitry lab?
3 answers
317 views
Explain, with a diagram, how 2 plane mirrors could be fixed at a dangerous T-junction so that motorists approaching the junction
4 answers
845 views
A room with only one window is dark even at mid-day. Explain how you could use wall-paper, furnishings and mirrors to brighten
4 answers
1,289 views
The angle between an incident ray and the mirror is 30 degrees What is the angle of incidence? What is the angle of reflection?
5 answers
2,445 views
List all the subsets(include the null set and the set itself.
a) (p) b) (p,q) c) (p,q,r) d) (p,q,r,s) By the way the brackets are
1 answer
440 views
are there only odd numbers in the 6* tables?
1 answer
267 views
Why does a pencil look broken if you hold it at an angle in a beaker of water?
4 answers
594 views
I have to do an A4 page about Isotope uses and all the websites ive gone on are too complicated for me to understand. Does
3 answers
356 views
does anyone know any uses of isotopes?
3 answers
303 views
i have to write a poem about 'your expression of the vastness of space/universe as a poem.
i have all the ideas in my head about
3 answers
957 views
Does anyone know a quick short really good summary of the story of Macbeth? Its for my theatre programme I'm doing. I also do a
5 answers
907 views
How will humans evolve?
What will happen to the natural world-and how will humans respond? What will happen to the global
3 answers
483 views
I need loads of info on why slavery is wrong. It must say why making people live in harsh conditions is wrong aswell.
3 answers
387 views
I need as many reasons as to why slavery lasted so long.
1 answer
363 views
Im not sure what this question is asking,can anyone help?
Stidy sources F and G. What arguments do the writers use to justify the
1 answer
472 views
An essay on the following question:
How is Macbeth affected when he learns of his wife's death? Consider: -The Action of Act
2 answers
598 views
Source F:
If abolotion shall take place, our interest in the West-India islands must be at an end,Seventy millions of property
1 answer
381 views
Why did slavery last so long?
Is my answer good enough 4 ten marks? What else do I need to add? Slavery lasted for so long for
3 answers
967 views
Metals + cold water.
Li, Na, K, Ca. Notes on reactions, equations or space? <<<< don't no what space or equations means. can
4 answers
444 views
i have to do a project about 'west end musicals'
can anyone suggest how i structure his and what i should include because I don't
3 answers
462 views
How do human beings cause suffering in 'Today's world'
1 answer
394 views
There's lots of entertainment: Il y a beaucoup de distractions
You can go out: On peut sortir It's very lively: C'est tres anime
4 answers
582 views
does anyone know the notes for the whole of the song ' Hallelujah' or 'my heart will go on'
I have to perform them on the
2 answers
469 views
I have to build a poem using all of these words exactly and this is really hard. I need help so badly.
a a a a all alone and and
1 answer
486 views
What do these mean in English?
Tu habites dans le centre-ville? Qu'est-ce qu'il y a dans ton village? Qu'est-ce qu'on peut faire
3 answers
1,127 views
why does zinc and lead nitrate react?
3 answers
784 views
does this sound right for what happens with the zinc and lead nitrate reaction? could i add anything else?
The zinc displaces the
3 answers
767 views
what exactly would you observe and see at the end of the reaction of zinc and lead nitrate? include in formation about colour
2 answers
740 views
make the letter in the bracket the subject of the formulae:
v=u-3t (t) a=b-4c (c)
6 answers
789 views
make v the subject of the formulae:
V=2v+3u
4 answers
882 views
A bike racer is riding his new bike at Silverstone. The track is 4km long.
a) What is his average speed in m/s if he does a lap
1 answer
998 views
A bike racer is riding his new bike at Silverstone. The track is 4km long.
a) What is his average speed in m/s if he does a lap
2 answers
511 views
4. Give two reasons why graphite (carbon) electrodes are used in electrolysis.
5. You have 2 compounds called X and Y. X melts at
2 answers
1,307 views
. Give two reasons why graphite (carbon) electrodes are used in electrolysis.
5. You have 2 compounds called X and Y. X melts at
1 answer
1,058 views
What is formed at the anode and cathode when the following solutions are electrolysed?
sodium iodide copper II chloride sodium
1 answer
421 views
sodium iodide
copper II chloride sodium sulphate NaOH HCl magnesium nitrate also is this true: if the metal in the compound is
2 answers
522 views
What is formed at the anode and cathode when the following solutions are electrolysed?
sodium iodide copper II chloride sodium
1 answer
428 views
What is formed at the anode and cathode when the following solutions are electrolysed?
sodium iodide copper II chloride sodium
1 answer
482 views
i need a really quick summary of chapter 2 in lord of the flies.
1 answer
439 views
What is formed at the anode and cathode when the following solutions are electrolysed?
sodium iodide copper II chloride sodium
2 answers
905 views
This is actually maths homework but the question sounds like geography:
1)Why do you think the UK is so high up in the list for
1 answer
452 views
This is actually maths homework but the question sounds like geography:
1)Why do you think the UK is so high up in the list for
2 answers
560 views
This is actually maths homework but the question sounds like geography:
1)Why do you think the UK is so high up in the list for
1 answer
469 views
This is actually maths homework but the question sounds like geography:
1)Why do you think the UK is so high up in the list for
1 answer
824 views
This is actually maths homework but the question sounds like geography:
1)Why do you think the UK is so high up in the list for
2 answers
528 views
This is actually maths homework but the question sounds like geography:
1)Why do you think the UK is so high up in the list for
3 answers
528 views
how do i work out 7.25/0.25 without using a calculator???
4 answers
805 views
The curve C with equation y=fx passes through the point (3, 14/2)
given that f'(x)=2x+3/xsquared a) find f(x) (5 marks) b) verify
1 answer
391 views
The curve C with equation y=fx passes through the point (3, 14/2)
given that f'(x)=2x+3/xsquared a) find f(x) (5 marks) b) verify
3 answers
755 views
A sixth form class consists of 6 girls and 9 boys. Three students from the class are chosen at random. The number of boys chosen
1 answer
506 views
For any married couple who are members of a squash club, the probability that the husband has a degree is 2/4 and the
3 answers
546 views
A company assembles drills using components from two sources. Acemart supplies 91% of the components and Begud supplies the
2 answers
763 views
The number of moles of cl2 produce will be ??????? If one mole of pcl5 is heated at 250 in a vessel having a capacity of 10dm³.
1 answer
429 views
