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Vaibhav Gupta
Subject: Chemistry
, asked on 11/1/17
Why alcohol catches fire ?
Answer
4
Godhuli Kundu
Subject: Chemistry
, asked on 8/1/17
Why LiF is most ionic whereas LiF is most covalent ?
Answer
1
Avneet Kaur
Subject: Chemistry
, asked on 25/12/16
on heating alkali metals and their salts a characteristic colour to an oxidising flame is formed.so what colour of flame is obtained from francium
Answer
3
Mohithraj
Subject: Chemistry
, asked on 24/12/16
why beso4 is soluble in water but baso4 is not soluble?
Answer
1
Mohithraj
Subject: Chemistry
, asked on 24/12/16
what happens when k2o reacts with water ? give a balance equation ?
Answer
3
Mohithraj
Subject: Chemistry
, asked on 24/12/16
why the first ionisation enthalphy of alkali metals lower than that of alkali earth metals ?
Answer
1
Mohithraj
Subject: Chemistry
, asked on 24/12/16
what happens when potassium burns in air?give chemical equation?
Answer
1
Mohithraj
Subject: Chemistry
, asked on 24/12/16
alkali metal and alkali earth metal cannot be prepared chemical reduction ?why?
Answer
1
Mohithraj
Subject: Chemistry
, asked on 24/12/16
why do alkali metal have low ionisation enthalphy ?
Answer
1
Mohithraj
Subject: Chemistry
, asked on 24/12/16
show the chemical reaction na2o is basic oxide
Answer
1
Avneet Kaur
Subject: Chemistry
, asked on 22/12/16
why some salts or sodium hydroxide are deliquescent in nature?
Answer
1
Avneet Kaur
Subject: Chemistry
, asked on 22/12/16
why group 1 metal hydroxides are basic in nature ?
Answer
2
Avneet Kaur
Subject: Chemistry
, asked on 22/12/16
on increasing the concentration of metal ion their properties decreases. why?
Answer
1
Avneet Kaur
Subject: Chemistry
, asked on 22/12/16
why alkali metals are reducing in nature?
Answer
3
Avneet Kaur
Subject: Chemistry
, asked on 22/12/16
melting ,boiling of group 2 is more than group 1 why?
Answer
5
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on heating alkali metals and their salts a characteristic colour to an oxidising flame is formed.so what colour of flame is obtained from francium