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Worksheetschemistry quiz
Total questions: 11
Worksheet time: 21mins
Caustic soda is the common name for
Mg(OH)2
KOH
Ca(OH)2
NaOH
Which one of the following is a weak acid?
HCl
H2CO3
H2SO4
HNO3
Solutions A, B, C and D have pH 3, 4, 6 and 8. The solution with highest acidic strength is
A
B
C
D
Generally a base is a compound,
Which reacts with an acid to give salt and water.
Which reacts with a proton of an acid.
Which on dissolving in water furnishes OH– ions.
All are correct.
A base which is soluble in water is called:
a salt
an acid
an alkali
None of these
Which salt is Acidic in nature?
NH4Cl
CH3COONH4
NaCl
Na2CO3
what happens when we hydrate plaster of paris?
it forms gypsum
it becomes plaster of france
it becomes liquid of paris
it becomes compost
copper crystalls are blue in colour and when heated it turns into (a) colour
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How many valency does carbon have
(a)
90% of naturally occuring compounds are organic in nature due to ________ and ________ .
(a)
