About garikaib

He holds an Honours in Accountancy degree from the University of Zimbabwe. He is passionate about technology and its practical application in today's world.

January 2023

Experiment: Reducing Copper oxide with carbon

By |2022-09-15T12:39:34+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

ZIMSEC O Level Combined Science Notes: Experiment: Reducing Copper oxide with carbon

Aim: To reduce copper oxide with carbon

Materials: black copper oxide, tongs, crucible lid, powdered carbon, burner

Carbon can be used to reduce copper oxide Carbon can be used to reduce copper oxide

Method

  1. Mix the copper oxide and powdered carbon together in the crucible […]
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The Alternating Current generator

By |2022-09-15T12:38:36+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

A simple AC generator. Image credit electronics-tutorials.ws A simple AC generator. Image credit electronics-tutorials.ws ZIMSEC O Level Combined Science Notes: The Alternating Power generator

  • In an Alternating Current (AC) generator the current changes direction as the coil turns
  • An AC generator is made up a rectangular coil that rotates between the […]
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Contraception: Abstinence

By |2022-09-15T12:37:50+02:00January 24th, 2023|Notes, O Level Science Notes, Ordinary Level Notes|

Couple holding hands. Image credit neguswhoread.com Couple holding hands. Image credit neguswhoread.com ZIMSEC O Level Combined Science Notes:Contraception: Abstinence

  • It involves total avoidance of sexual intercourse

Adavantages

  • Many couples agree to wait until marriage
  • There is no risk of contracting  Sexually Transmitted Infections
  • It is 100% effective
  • It is supported by most religious […]
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Commerce: The External Business Environment

By |2022-09-15T12:30:16+02:00January 24th, 2023|Notes, O Level Commerce Notes, Ordinary Level Notes|

ZIMSEC O Level Commerce Notes: The External Business Environment

  • In addition to internal factors that affect the operations of a business
  • There are external factors which also exert their influence
  • These external factors together constitute the external business environment
  • The external environment is sometimes known as PESTEL
  • This stands for the various components that make up a […]
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AS A Level Business: Private Sector Businesses

By |2022-09-15T12:29:44+02:00January 24th, 2023|Cambridge AS A Level Business Studies, Notes, ZIMSEC A Level Business Studies, ZIMSEC Business Enterprise Skills|

Cambridge AS A Level Business Studies/ ZIMSEC Advanced Level Business Studies/ Business Enterprise Skills Notes: Introduction To The Private Sector

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