Study the scheme below and use it to answer the questions that follow

      

  

Answers

---

---

Wilfykil answered the question on February 19, 2019 at 05:58

Next: What is balance of payment Accounts?
Previous: What are polymers and fibres and how are they formed?

View More Chemistry Questions and Answers | Return to Questions Index

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• Study the scheme below and answer the following questions(Solved)
  

  Study the scheme below
  

  Date posted: February 19, 2019.  Answers (1)

• State the uses of alkanols(Solved)
  

  State the uses of alkanols

  Date posted: February 19, 2019.  Answers (1)

• What is halogenation?(Solved)
  

  What is halogenation?

  Date posted: February 19, 2019.  Answers (1)

• Define: 1.Hydrolysis 2.Polymerization/Self addition(Solved)
  

  Define:
  1.Hydrolysis
  2.Polymerization/Self addition

  Date posted: February 19, 2019.  Answers (1)

• How do we displace Hydrogen from Water?(Solved)
  

  How do we displace Hydrogen from Water?

  Date posted: February 18, 2019.  Answers (1)

• What is hydrogenation?(Solved)
  

  What is hydrogenation?

  Date posted: February 18, 2019.  Answers (1)

• Give the physical properties of alkenes(Solved)
  

  Give the physical properties of alkenes

  Date posted: February 18, 2019.  Answers (1)

• State the uses of alkanes(Solved)
  

  State the uses of alkanes

  Date posted: February 18, 2019.  Answers (1)

• Give the physical and chemical Properties of alkanes(Solved)
  

  Give the physical and chemical Properties of alkanes

  Date posted: February 18, 2019.  Answers (1)

• 9.7 g of a mixture of Potassium hydroxide and Potassium chloride was dissolved to make one litre solution.20.0cm³ of this solution required 25.0cm³ of 0.12M...(Solved)
  

  9.7 g of a mixture of Potassium hydroxide and Potassium chloride was dissolved to make one litre solution.20.0cm³ of this solution required 25.0cm³ of 0.12M hydrochloric acid for completed neutralization. Calculate the percentage by mass of Potassium chloride.(K=39.0,Cl= 35.5)

  Date posted: February 18, 2019.  Answers (1)

• 25.0cm³ of a mixture of Fe²⁺ and Fe³⁺ ions in an aqueous salt was acidified with sulphuric(VI)acid then titrated against potassium manganate(VI).The salt required 15cm³...(Solved)
  

  25.0cm³ of a mixture of Fe²⁺ and Fe³⁺ ions in an aqueous salt was acidified with sulphuric(VI)acid then titrated against potassium manganate(VI).The salt required 15cm³ of 0.02M potassium manganate(VI) for complete reaction.
  A second 25cm³ portion of the Fe²⁺ and Fe³⁺ ion salt was reduced by Zinc then titrated against the same concentration of potassium manganate(VI).19.0cm³ of potassium manganate(VI)solution was used for complete reaction. Calculate the concentration of Fe²⁺ and Fe³⁺ ion in the solution on moles per litre.

  Date posted: February 18, 2019.  Answers (1)

• 46.0g of a metal carbonate MCO3 was dissolved 160cm³ of 0.1M excess hydrochloric acid and the resultant solution diluted to one litre.25.0cm³ of this solution...(Solved)
  

  46.0g of a metal carbonate MCO3 was dissolved 160cm³ of 0.1M excess hydrochloric acid and the resultant solution diluted to one litre.25.0cm³ of this solution required 20.0cm³ of 0.1M sodium hydroxide solution for
  complete neutralization. Calculate the atomic mass of "M"

  Date posted: February 18, 2019.  Answers (1)

• A certain carbonate, GCO3, reacts with dilute hydrochloric acid according to the equation given below If 1 g of the carbonate reacts completely with 20 cm³...(Solved)
  

  A certain carbonate, GCO3, reacts with dilute hydrochloric acid according to the equation given below
  
  
  If 1 g of the carbonate reacts completely with 20 cm³ of 1 M hydrochloric acid ,calculate the relative atomic mass of G (C = 12.0 = 16.0)

  Date posted: February 18, 2019.  Answers (1)

• 20.0cm³ of 0.05 M acidified potassium manganate(VII)solution oxidized 25.0cm³ of Fe²⁺(aq) ions in 40.0g/l of impure Iron (II)sulphate(VI) to Fe³⁺(aq) ions. Calculate the percentage impurities...(Solved)
  

  20.0cm³ of 0.05 M acidified potassium manganate(VII)solution oxidized 25.0cm³ of Fe²⁺(aq) ions in 40.0g/l of impure Iron (II)sulphate(VI) to Fe³⁺(aq) ions. Calculate the percentage impurities in the Iron (II)sulphate(VI).

  Date posted: February 18, 2019.  Answers (1)

• You are provided with: (i)sodium L containing 5.0g per litre of a dibasic organic acid H2X.2H2O. (ii)solution M which is acidified potassium manganate(VII) (iii)solution N a mixture of...(Solved)
  

  You are provided with:
  (i)sodium L containing 5.0g per litre of a dibasic organic acid H2X.2H2O.
  (ii)solution M which is acidified potassium manganate(VII)
  (iii)solution N a mixture of sodium ethanedioate and ethanedioic acid
  (iv) 0.1M sodium hydroxide solution P
  (v) 1.0M sulphuric(VI)
  You are required to:
  (i)standardize solution M using solution L
  (ii)use standardized solution M and solution P to determine the % of sodium ethanedioate in the mixture

  Date posted: February 18, 2019.  Answers (1)

• You are provided with: (i)an impure calcium carbonate labeled M (ii)Hydrochloric acid labeled solution N (iii)solution L containing 20g per litre sodium hydroxide(Solved)
  

  You are provided with:
  (i)an impure calcium carbonate labeled M
  (ii)Hydrochloric acid labeled solution N
  (iii)solution L containing 20g per litre sodium hydroxide
  You are required to determine the concentration of N in moles per litre and the % of calcium carbonate in mixture M.

  Date posted: February 18, 2019.  Answers (1)

• You are provided with: Acidified Potassium Manganate (VII) solution A, 0.1M of an iron (II) salt solution B.... (Solved)
  

  You are provided with:
  

  Date posted: February 15, 2019.  Answers (1)

• Calculate the molarity of a solution containing 4.0 g sodium hydroxide dissolved in 500 cm³ solution(Solved)
  

  Calculate the molarity of a solution containing 4.0 g sodium hydroxide dissolved in 500 cm³ solution

  Date posted: February 15, 2019.  Answers (1)

• 100 cm³ of nitrogen (II)oxide NO combine with 50 cm³ of Oxygen to form 100 cm³ of a single gaseous compound of nitrogen. All volumes...(Solved)
  

  100 cm³ of nitrogen (II)oxide NO combine with 50 cm³ of Oxygen to form 100 cm³ of a single gaseous compound of nitrogen. All volumes measured at the same temperature and pressure. Obtain the equation for the reaction and name the gaseous product

  Date posted: February 15, 2019.  Answers (1)

• 1.0g of an alloy of aluminium and copper were reacted with excess hydrochloric acid. If 840 cm³ of hydrogen at s.t.p was produced, calculate the...(Solved)
  

  1.0g of an alloy of aluminium and copper were reacted with excess hydrochloric acid. If 840 cm³ of hydrogen at s.t.p was produced, calculate the % of copper in the alloy.(Al =27.0,one mole of a gas at s.t.p =22.4 dm³ )

  Date posted: February 15, 2019.  Answers (1)