Sir Halawi's Knowledge Hub

30/12/2023

Assalamualaikum to parents and guardians.. I'm currently opening seats for 2024. Seats are limited. Please contact me for more information. Thank you

26/06/2022

Pratical 1: Investigation of osmosis.

Objective: To determine the nature of 2 unknown solutions. (Hypertonic/Hypertonic/Isotonic)

Osmosis defines as movement of water molecules from a higher water potential to a lower water potential through semi/partially permeable membrane. Cells will behave differently when exposed to different water potential.

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01/03/2022

KIDNEY - Excretory Organ

Function: Excrete excess mineral salts and excess water from the body.

Processes: Ultrafiltration and selective reabsorption via nephrons. Additional action of ADH will be required if water in our body is too low.

Note: we have two kidneys, if one of it fails we still able to live with one however special diet is required.

11/01/2022

Open for registration......limited slots available... please contact +673-8667693

05/12/2021

OPENING SEATS FOR 2022!!!.... LIMITED SEATS AVAILABLE .. CONTACT ME AT +673-8667693

22/02/2021

Selamat Menyambut Ulang Tahun Hari Kebangsaan Negara Brunei Darussalam Ke 37

20/01/2021

05/01/2021

Assalamualaikum all......check out my updated website for O-Level, A-Level and IB.. feel free to contact me if you need help.

https://sites.google.com/view/sirhalawisknowledgehub/home

29/12/2020

26/12/2020

Assalamualaikum all.....please feel free to call me at +6738667693 if you need help in your Biology and Chemistry

17/12/2020

Assalamualaikum all...please feel free to contact me