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Subject: Chemistry, asked on 7/4/18

What is the oxidation number of Mn in MnO4 ? Plz note this is MnO4 and NOT KMnO4!

Subject: Chemistry, asked on 23/12/17

State one case in which chemical name of a compound isn't its IUPAC name ?

Subject: Chemistry, asked on 23/12/17

What is the IUPAC name for CaCl2.4NH3  ?
 

Subject: Chemistry, asked on 23/12/17

Why does liquor ammonia fortis needs to be stored in tightly stoppered bottles in a cold place ?
(liquor ammonia fortis is also called 880 Ammonia, so are these two basically conc. NH4OH ?)

Subject: Chemistry, asked on 23/12/17

What is the difference between reaction of some compound with dilute HCl and the same compound with Concentrated HCl ? Please give examples of compound such as with Carbonates , Sulphates , etc ...

Subject: Chemistry, asked on 31/3/22

What are the reactants use in the laboratory prepration of Hcl

Subject: Chemistry, asked on 4/3/22

Please answer my question

Subject: Chemistry, asked on 3/3/22

Please answer my question

Subject: Chemistry, asked on 25/2/22

Please answer my question

Subject: Chemistry, asked on 13/2/22

X, Y and Z are the chemical properties of sulphuric acid:
(X) Dehydrating agent
(Y) Non volatile acid
(Z) Oxidizing agent

Match the following equations (a), (b) and (c) to the above chemical properties of sulphuric acid.

(a) NaCl + H2SO4 ? NaHSO4 + HCl
(b) C + 2H2SO4 ? CO2 + 2H2O + 2SO2 ?
(c) C6H12O6 -Conc H2SO4--> C + 6H2O

Subject: Chemistry, asked on 13/2/22

Distinguish between the following:

(a) Concentrated H2SO4 and concentrated HNO3 [using sulphur]
(b) Concentrated HCl and concentrated H2SO4 [using sodium nitrate solution]

Subject: Chemistry, asked on 18/10/21

What happens when liquid ammonia is kept in open air? Why ?

Subject: Chemistry, asked on 18/10/21

What happens when liquid ammonia is kept in open air? Why?

Subject: Chemistry, asked on 10/4/21

Please help me with this question

Subject: Chemistry, asked on 22/3/21

Please solve question no.b.iii and iv.

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