- Messages
- 103
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yes if an acid reacts with a metal will will give salt +H2I think its Zinc butanoate + hydrogen
with carbonates=salt+CO2+H2O
with hydroxide=salt+H2O
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yes if an acid reacts with a metal will will give salt +H2I think its Zinc butanoate + hydrogen
Thaaank you so very much for your time ....9 b only
maybe i think this one and the other product is water as it is condensation polymerisationneed help guys!! 0620/33/m/j/14...question 3(b) Kindly explain!! not able to upload the pikcha!!
thank you so much!!maybe i think this one and the other product is water as it is condensation polymerisation
thnx but i think someone else also should agree with the answerthank you so much!!
Acidified potassium mangnate is an oxidising agent so just say that add potassium mangnate to ethanol inorder to form ethanoic acidhow do we describe
1. the formation of ethanoic acid using acidified KMnO4 (3)
2.the usefulness of chromatography in separating and identifying mixtures(4)
yeah so i think mine is correctI do think that the polymer is in the form of starch so it can be represented like this.View attachment 53859
The answer is B.Could anyone explain me this?
Which of these pairs of aqueous ions BOTH react with dilute sulfuric acid to give a visible result?
A. Ba2+ and Cl-
B. Ba2+ and CO3 2-
C.NH4 + and Cl -
D. NH4+ and CO3 2-
Yup its correctyeah so i think mine is correct
The answer is B.
Cuz sulfuric acid has 2 ions H+ & SO4-
SO4- will react with Ba2+ to form BaSO4 which can be seen as a white precipitate
And plus any acid with any carbonate gives off carbon dioxide which can be seen as bubbles are formed!
I think the bio one is the best: it is the chemical reaction that breaks down nutrient molecules in living cells to release energywhat should be the definition for respiration
how about the equation.........Acidified potassium mangnate is an oxidising agent so just say that add potassium mangnate to ethanol inorder to form ethanoic acid
The usefulness of chromotography just means that u should know that it is used in identifying the colourless substances present in the mixtures by spraying the locating agent onto the chromotogram
Only Alkenes.Is polymerisation only for alkenes or for alkanes also
What equation?how about the equation.........
but in our textbook it asks for the name of the polymer of butane!!!!What is a " binary compound " ?
Only Alkenes.
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