To ensure maximum oxidation of the hydrogen gas and complete reduction of the metal oxides.
Andreaz answered the question on February 16, 2018 at 07:32
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What are ions?
(Solved)
What are ions?
Date posted:
February 13, 2018
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Answers (1)
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In the laboratory hydrogen sulphide gas is prepared by the action of dilute hydrochloric acid on metal sylphides.(a)Name the metal sulphide that can be used...
(Solved)
In the laboratory hydrogen sulphide gas is prepared by the action of dilute hydrochloric acid on metal sylphides.
(a) Name the metal sulphide that can be used in preparing the gas.
(b) Give one chemical test for hydrogen sulphide gas.
Date posted:
February 12, 2018
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Answers (1)
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List down four characteristics of any homologous series
(Solved)
List down four characteristics of any homologous series.
Date posted:
February 10, 2018
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Answers (1)
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What is atomic radius?
(Solved)
What is atomic radius?
Date posted:
February 9, 2018
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Answers (2)
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Explain why aluminium chloride is acidic
(Solved)
Explain why aluminium chloride is acidic.
Date posted:
February 7, 2018
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Answers (1)
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Define the term calorific value as used in chemistry.
(Solved)
Define the term calorific value as used in chemistry.
Date posted:
February 2, 2018
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Answers (1)
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What is acythylic hydrogen?
(Solved)
What is acythylic hydrogen?
Date posted:
January 25, 2018
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Answers (1)
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State the following (a) Electronegativity (b) Electron affinity
(Solved)
State Electronegativity and electron affinity
Date posted:
January 22, 2018
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Answers (1)
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Explain why the reaction between lead (ll) oxide and sulphuric (lv) acid comes to a stop almost immediately?
(Solved)
Explain why the reaction between lead (ll) oxide and sulphuric (lv) acid comes to a stop almost immediately?
Date posted:
January 21, 2018
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Answers (1)
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What is titration?
(Solved)
What is titration?
Date posted:
January 21, 2018
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Answers (1)
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Using kinetic theory explain effect of temperature on pressure of a gas
(Solved)
Using kinetic theory explain effect of temperature on pressure of a gas.
Date posted:
January 20, 2018
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Answers (1)
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Using kinetic theory explain the effect of temperature on pressure of a gas
(Solved)
Using kinetic theory explain the effect of temperature on pressure of a gas
Date posted:
January 20, 2018
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Answers (1)
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What are the types of atomizers and their examples?
(Solved)
What are the types of atomizers and their examples?
Date posted:
January 19, 2018
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Answers (1)
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What is the difference between liquid-liquid extraction and ion exchange?
(Solved)
What is the difference between liquid-liquid extraction and ion exchange?
Date posted:
January 19, 2018
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Answers (1)
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What is experimental research?
(Solved)
What is experimental research?
Date posted:
January 18, 2018
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Answers (1)
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What are the sources of heat in laboratory?
(Solved)
What are the sources of heat in laboratory?
Date posted:
January 8, 2018
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Answers (1)
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What is the role of chemistry in society?
(Solved)
What is the role of chemistry in society?
Date posted:
January 8, 2018
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Answers (1)
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Differentiate between conductors and non-conductors
(Solved)
Differentiate between conductors and non-conductors.
Date posted:
January 8, 2018
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Answers (1)
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(i) What is a mixture (ii) Give various ways used to separate a mixture
(Solved)
(i) What is a mixture (ii) Give various ways used to separate a mixture
Date posted:
January 8, 2018
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Answers (1)
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Explain why factories use alot of energy as heat energy to obtain nitrogen while root nodules obtain in room temperature
(Solved)
Explain why factories use alot of energy as heat energy to obtain nitrogen while root nodules obtain in room temperature.
Date posted:
January 7, 2018
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Answers (1)