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WorksheetsACID and ALKALI
Total questions: 20
Worksheet time: 10mins
Obat Maag adalah obat yang dikonsumsi saat asam lambung meningkat. Tujuan mengonsumsi obat maag adalah....
Mengubah sifat asam lambung menjadi basa
Menetralkan asam lambung
Meningkatkan PH asam lambung menjadi semakin asam
Semua jawaban salah
Potongan kertas lakmus merah akan berubah menjadi biru jika dimasukkan kedalam larutan....
Basa
Asam
Garam
Indikator
Bahan yang bersifat basa di antara bahan berikut ini adalah . . . .
larutan cuka
obat maag
jus lemon
vitamin C
Kertas lakmus biru akan berwarna merah jika dicelupkan ke dalam larutan ....
HCl
KOH
C6H12O6
NH3
What does this sign mean?
corrosive
explosive
flammable
toxic
The name of an acid in lemon juice is:
citric acid
ethanoic acid
lemonic acid
sulfuric acid
The reaction between an acid and an alkali is:
acidification.
condensation.
evaporation.
neutralisation.
An acid reacted with an alkali to form a salt and water. Which of these are the reactants?
acid and alkali
acid and salt
alkali and water
salt and water
Which of the following is a alkali?
citric acid
copper oxide
vinegar
pure water
The colour of litmus paper in a substance that is very acidic is
green
orange
purple
red
Oven cleaner is neutral
true
false
Neutral solutions are always safe
true
false
Blue litmus stays blue in a neutral solution
true
false
Toothpaste is an indicator
true
false
Salt solution is alkaline
true
false
Litmus is blue in an acid
true
false
A toxic hazard may be defined as substances that can catch fire easily
true
false
Soils in different places always neutral
true
false
A bee sting is acidic
true
false
A wasp sting is acidic
true
false
