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WorksheetsAcid, Bases & Salt And Fibre to fabric
Total questions: 15
Worksheet time: 6mins
Acids are substances that tastes Sour and are Soapy in Nature....
True & false
True
False
Chose The base from which Soaps are made
Calcium Hydroxide
Amonium Hydroxide
Sodium Hydroxide
Potassium Hydroxide
_______ Is the reaction that happens when a base and a acid react
Acidic Reaction
Neutralisation Reaction
Crystalisation
None of These
_____ Indicator shows no change of colour in Acid but turns Pink in Base
Litmus
Tumeric
China Rose
None of these
Which of the following rection makes the acid for the acid rain..
Fe + O2 + H2O => Fe2O3
CO2 + H2O => H2CO3
SO2 + H2O => H2SO3
NO2 + H2O => HNO3
HCl + NaOH =>
NaCl + O2
NaOH + H2O
NaCl + H2O
None Of These
CO2 , SO2 , NO2 Are (a)
Ph No. Of acids
0 To 6
8 To 10
3 To 9
None of these
Which acid is used in Drinks..
Carbonic acid
Acetic Acid
Tataric Acid
None
Ph No. of Neutral
8
14
7
6
Choose the animal fibre
Silk
Wool
Cotton
None
Yak & wool is common in _____ & _____
Tibet
Ladakh
Kashmir
America
____________ Is a natural Protien Fibre
Wool
Silk
Cotton
NOne
After How many days the eggs are hatched????
14
9
15
32
________ The thinnest strand of a Fabric
Fibre
Fabric
