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what is balanced chemical equation?
balanced chemical equation explain?
Name an oxidising agent which does not contain oxygen.
what would the valency of the following radicles:
the chemical equationfor this reaction is?
How is decomposition method helpful in both industries and domestic use?
Calculate the mass of magnisium oxide when 24 g of magnisium react with 32 g of oxygen . also find the weight of oxygen left unused after the reaction.
[AT Wt of Mg= 24, Ca=40]
Please explain me the process of Fractional Crystallisation.
is there any explantion on the characteristics of chemical change:
i.e. Evolution of gases, Change of colour , Formation of Precipitate, Energy Changes and Change in State
The Chapter is Transformation Of Substances(Chemistry) Grade 8
why wood is a compound ? what are its constituent?
Why do we use sulphuric acid for the electrolysis of water and not any other acid like nitric acid or sulphuric acid?
hi, i dont understand how to balance a equation.. plz can u clear it for me??
ClO3 what is the chemical name of the chemical and its valency ?
define chemical reaction
why is the growth of a tree a physical change ?
in the examples of physical changes,growth of a plant is also mentioned.i do not understand how the growth of a plant is a physical change.please explain
What happens when Powdered sulpheris heated gently? Is it a chemical change? Explain Why?
list 10 physical changes and 10 chemical changes
in the video on chemical change,there is a spelling error. during is typed as durning.please correct the mistake.
how does the common salt dissolves in water
What is precipitation reaction ? i did not understand it.
how much hcl gas will be prepared by 7g of h2 ?how much cl2 would be required for the reaction?
what is high specific heat capacity
Combustion of LPG is a chemical reaction. State as many characteristics as possible associated with this reaction.
'N2 +O2 =2NO'
'N2 + O2 = NO2'
It should be kept in mind that coefficient â3â will be written as 3BaSO4and not as (BaSO4)3. please explain why ?
what is an electrolyte?
a substance allows the passage of electric current in solution or molten state
What dowe observe when-
a]dilutesulphuric acid is added to granulated zinc?
b]a few pieces of ironare dropped in a blue solution of copper sulphate?
c]solid lead nitrate is heated?
what are alkali ?
how much exact time did these things written following takes to decompose
2. nylon cloth
3. cotten cloth
can you show me a vedio for chromatography
i can't understand how can a chemical reactions result in the formation of precipitate? Please help me fast my exams are after 2 days!
state 2 reasons for electroplating of an article
in thermal cracking of methane, calculate the amounts of carbon and hydrogen that can be prepared by cracking 452 kg of methane?
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