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secondary 4 | Chemistry
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Annela
Annela

secondary 4 chevron_right Chemistry chevron_right Singapore

Can soemone help me with qns 11, 14 and 16?

Date Posted: 4 years ago
Views: 723
Annela
Annela
4 years ago
Thats my answer but the actual answer is hydrogen
Eric Nicholas K
Eric Nicholas K
4 years ago
Good afternoon Annela! I will look at these by 4 am.
Han Song
Han Song
4 years ago
Question 11, remember the concepts of ionic compounds, an ionic compound tend to have ionic lattice structure, meaning they usually exist as solid at room temperature. Given that compound C is a liquid at room temperature, it is most likely to be a covalent compound (e.g in this case H2O), therefore possible ans is C

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Han Song
Han Song's answer
89 answers (A Helpful Person)
1st
Ans for second question
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Han Song
Han Song's answer
89 answers (A Helpful Person)
Remember 1 mole of gas contains 24 dm3 of gas. This is the answer for last qn
syjiaxuan
Syjiaxuan
4 years ago
Hmmm isn’t OH- predentially discharged at the anode instead of (SO4)2- ?
Han Song
Han Song
4 years ago
Yes also can
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syjiaxuan
Syjiaxuan's answer
290 answers (A Helpful Person)
Hope this helps, impt parts in pink!!
done {{ upvoteCount }} Upvotes
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syjiaxuan
Syjiaxuan's answer
290 answers (A Helpful Person)
Hope this helps, impt parts in pink!!