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What is the mixture of metals?
Alloy
Solid substance mixed with liquid substance then dissolved will make...
Solution
Which one is mixture?
the right bottom one
copper and zinc, mixed to form
brass
sugar and water mixed then dissolved, which one is solvent?
water
the characteristic of vinegar is....
acid
the characteristic of soap is....
alkaline
pH of neutral solution is
7
pH of acid is....
under 7
acid react with alkaline to form...
salt and water
mention 3 examples of acid in daily life
lemon, vinegar, grape,
what is neutralisation?
a process when acid react with alkalis
sodium and chlorine react to form...
NaCl or salt or sodium chloride
oxygen react with hydrogen and sodium to produce ...
NaOH
what is alloy?
some mixture of metals
name three natural indicator of acid and alkaline
red cabbage, hydrangea, turmeric
