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WorksheetsAcid Bases and Salts
Total questions: 10
Worksheet time: 9mins
If a solution turns blue litmus to red, what colour will be observed if the same is placed on pH paper
Green
Blue
Red
None
Among the following, which is NOT a form of calcium carbonate
Chalk
Limestone
Quick lime
Egg shell
HCl + NaOH -----> (a) + H2O
Define Olfactory Indicators.
Rain water have pH
=7
<7
>7
~7
The colour of phenolphthalein in acidic medium
Pink
Colourless
Red
Orange
Oranges have (a) acid present in it.
The gas which burns with a pop sound ( H2, CO2, CuSO4, CH4)
H2
CH4
O2
CO2
A solution of sodium carbonate has pH around 13. The nature of solution is
Strongly Acidic
Weakly alkaline
Weakly Acidic
Strongly alkaline
A student wants to make a basic salt. which of the following pairs of acid and base should he use.
HCl + NaOH
H2CO3 + NaOH
HCl + NH4OH
H2SO4 + K0H
