PAPER 1 CHEMISTRY QUESTIONS AND CORRECT ANSWERS (graded A+}
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Course
PAPER 1 CHEMISTRY
Institution
PAPER 1 CHEMISTRY
PAPER 1 CHEMISTRY
QUESTIONS AND
CORRECT ANSWERS
(graded A+}
they are all soluble - correct answer-What is true about common
sodium, potassium and ammonium salts?
hydrogen ions - correct answer-What are acids in solution a source
of?
hydroxide - correct answer-What are alkalis in solution a ...
PAPER 1 CHEMISTRY
QUESTIONS AND
CORRECT ANSWERS
(graded A+}
they are all soluble - correct answer-What is true about common
sodium, potassium and ammonium salts?
hydrogen ions - correct answer-What are acids in solution a source
of?
hydroxide - correct answer-What are alkalis in solution a source of?
7 - correct answer-What is the pH of a neutral solution?
,low (less than 7) - correct answer-Do acidic solutions have high or
low pH values?
high (greater than 7) - correct answer-Do alkaline solutions have high
or low pH values?
alkaline - correct answer-Is this solution acidic or alkaline?
acidic - correct answer-Is this solution acidic or alkaline?
red - correct answer-Give the colour of methyl orange indicator when
it is put into an acidic solution
yellow - correct answer-Give the colour of methyl orange indicator
when it is put into an neutral solution
yellow - correct answer-Give the colour of methyl orange indicator
when it is put into an alkaline solution
, colourless - correct answer-Give the colour of phenolphthalein
indicator when it is put into an acidic solution
colourless - correct answer-Give the colour of phenolphthalein
indicator when it is put into an neutral solution
pink - correct answer-Give the colour of phenolphthalein indicator
when it is put into an alkaline solution
it decreases - correct answer-What happens to pH when hydrogen ion
concentration increases?
it increases - correct answer-What happens to pH when hydrogen ion
concentration decreases?
it decreases by 1 - correct answer-What happens to pH as hydrogen
ion concentration in a solution increases by a factor of 10?
a concentrated solution has a higher amount of substance dissolved
in the solution - correct answer-What is the difference between a
concentrated and dilute solution?
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