Select Board & Class
E.g: 9876543210, 01112345678
We will give you a call shortly, Thank You
Office hours: 9:00 am to 9:00 pm IST (7 days a week)
Syllabus
(liquor ammonia fortis is also called 880 Ammonia, so are these two basically conc. NH4OH ?)
But wind produces the sound, where air (a mixture of non metals.) under pressure produces a "hooooooooo" sound.
So does this make an exception in the properties of non-metals?
A basic gas is passed over blackcopper oxide.
Action of heat on silver nitrate.
17. State what an aqueous solution of NH3 is called. State how it is prepared giving reasons.
18. State why an aq. soln. of NH3 i] turns red litmus blue ii] is a weak base and a weak electrolyte.
33. A cubic solid is made up of two elements P and Q. Atoms of P are present at the corners of the cube and atoms of Q are present at body centre. What is the formula of the compound and what are coordination numbers of P and Q ?
(a) PQ2, 6 : 6 (b) PQ, 6 : 6
(c) P2Q, 6 : 8 (d) PQ, 8 : 8
"Hydrogen chloride can be oxidised to chlorine"
Provide an example if possible
Q. Give the example of each of the following :
i) A colloidal solution
ii) A true solution
iii) A heterogeneous liquid-liquid mixture
iv) A homogeneous solid-solid mixture
v) A homogeneous liquid-liquid mixture
preparation
of
used
formed
agent
collection
1.Ammonium hydroxide can detect ferrous ions in ferrous sulphate solution.
Q.(g) Deduce the molecular formula of the following:
(i) Potassium permanganate,
(ii) Calcium bromide,
(iii) Ferrous sulphide,
(iv) Sodium zincate,
(v) Sodium bicarbonate.
So, why we are not using the meth8d wh8ch I told.
Please give me a scientific reason.
(No google no links handwritten answer )
Give reason:
Hydrogen chloride is a covalent compound.
State the property of sulphuric acid involved in the above formation.