Get premium membership and access questions with answers, video lessons as well as revision papers.
By boiling or freezing it... A sharp boiling point or freezing point indicates purity
Deraj answered the question on December 20, 2017 at 11:03
- State and explain the observation that would be made when hydrogen chloride gas is bubbled into a solution of silver nitrate(Solved)
State and explain the observation that would be made when hydrogen chloride gas is bubbled into a solution of silver nitrate.
Date posted: December 17, 2017. Answers (1)
- What is chemistry?(Solved)
What is chemistry?
Date posted: December 13, 2017. Answers (1)
- Between methanol and propanol, which has a higher boiling point?(Solved)
Between methanol and propanol, which has a higher boiling point?
Date posted: December 13, 2017. Answers (1)
- Give equations for preparation of lead chloride from lead carbonate(Solved)
Give equations for preparation of lead chloride from lead carbonate
Date posted: December 13, 2017. Answers (1)
- Explain what is observed when carbon (IV) is bubbled through calcium hydroxide solution(Solved)
Explain what is observed when carbon (IV) is bubbled through calcium hydroxide solution.
Date posted: December 11, 2017. Answers (1)
- Write the following abbreviation in full as used in chemistry DDT(Solved)
Write the following abbreviation in full as used in chemistry DDT.
Date posted: December 5, 2017. Answers (1)
- Distinguish between the reducing property of concentrated Hydrochloric acid and concentrated Sulphuric acid(Solved)
Distinguish between the reducing property of concentrated Hydrochloric acid and concentrated Sulphuric acid.
Date posted: December 5, 2017. Answers (1)
- What is fractional distillation?(Solved)
What is fractional distillation?
Date posted: December 4, 2017. Answers (1)
- Other than water give other forms of solvent(Solved)
Other than water give other forms of solvent.
Date posted: December 4, 2017. Answers (1)
- What are miscible liquids?(Solved)
What are miscible liquids?
Date posted: December 4, 2017. Answers (1)
- What is a solvent?(Solved)
What is a solvent?
Date posted: December 4, 2017. Answers (1)
- What is solute?(Solved)
What is solute?
Date posted: December 4, 2017. Answers (1)
- State how substances are classified.(Solved)
State how substances are classified.
Date posted: December 4, 2017. Answers (1)
- Name five commonly used laboratory apparatus.(Solved)
Name five commonly used laboratory apparatus.
Date posted: December 4, 2017. Answers (1)
- What are the reagents used to prepare hydrogen chloride gas?(Solved)
What are the reagents used to prepare hydrogen chloride gas?
Date posted: December 4, 2017. Answers (1)
- Briefly explain how you would separate a mixture of sodium chloride and iodine in the laboratory (Solved)
Briefly explain how you would separate a mixture of sodium chloride and iodine in the laboratory
Date posted: December 3, 2017. Answers (1)
- A student at Hope secondary school accidentally mixed iron filings and sand. Explain how he can separate the mixture. Name two applications of the methods...(Solved)
A student at Hope secondary school accidentally mixed iron filings and sand. Explain how he can separate the mixture.
Name the applications of the methods above
Date posted: December 3, 2017. Answers (1)
- (a) Define the term mixture (b) Name the types of mixtures(Solved)
(a) Define the term mixture
(b) Name the types of mixtures
Date posted: December 3, 2017. Answers (1)
- What are some of the effects of drug and substance abuse?(Solved)
What are some of the effects of drug and substance abuse?
Date posted: December 3, 2017. Answers (1)
- Name the career opportunities offered by chemistry (Solved)
Name the career opportunities offered by chemistry
Date posted: December 3, 2017. Answers (1)