top of page
![](https://static.wixstatic.com/media/a8ce03_7a49d8bda31842c095b6c3ee2c199eadf000.jpg/v1/fill/w_1920,h_1080,al_c,q_90,enc_avif,quality_auto/a8ce03_7a49d8bda31842c095b6c3ee2c199eadf000.jpg)
![Stationary photo](https://static.wixstatic.com/media/11062b_a6e1bb8d93704b859a65ba5d3dd3645a~mv2.jpg/v1/fill/w_980,h_614,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/11062b_a6e1bb8d93704b859a65ba5d3dd3645a~mv2.jpg)
![Strength of acid and alkali.](https://static.wixstatic.com/media/a8ce03_0f95cfaf5d184dd6a80282f16c9bc2bc~mv2.png/v1/fill/w_454,h_281,fp_0.50_0.50,q_95,enc_auto/a8ce03_0f95cfaf5d184dd6a80282f16c9bc2bc~mv2.webp)
Mar 31, 20221 min read
Strength of acid and alkali.
CS: 6.3 Strength of acid and alkalis LS: 6.3.1 define strong acid and alkali LO: By the end of the lesson, pupils will be able to...
![Strength of acids and alkali.](https://static.wixstatic.com/media/a8ce03_11add453daa64f3a9ee6dc0610d71670~mv2.png/v1/fill/w_454,h_281,fp_0.50_0.50,q_95,enc_auto/a8ce03_11add453daa64f3a9ee6dc0610d71670~mv2.webp)
Mar 31, 20221 min read
Strength of acids and alkali.
CS: 6.3 Strength of acids and alkalis LS: 6.3.1 Define strong acid, weak acid, strong alkali and weak alkali. 6.3.2 Explain the strength...
![](https://static.wixstatic.com/media/a8ce03_b8cd5aa2408c48bcb2a4c257d641c8ff~mv2.jpeg/v1/fill/w_250,h_250,fp_0.50_0.50,q_30,blur_30,enc_auto/a8ce03_b8cd5aa2408c48bcb2a4c257d641c8ff~mv2.webp)
![Preparation of Salts.](https://static.wixstatic.com/media/a8ce03_b8cd5aa2408c48bcb2a4c257d641c8ff~mv2.jpeg/v1/fill/w_454,h_341,fp_0.50_0.50,q_90,enc_auto/a8ce03_b8cd5aa2408c48bcb2a4c257d641c8ff~mv2.webp)
Mar 31, 20221 min read
Preparation of Salts.
Preparation of Salts.
![](https://static.wixstatic.com/media/a8ce03_6f6a1da2526c46dfb49d7e58c64e94ca~mv2.jpg/v1/fill/w_234,h_234,fp_0.50_0.50,lg_1,q_30,blur_30,enc_auto/a8ce03_6f6a1da2526c46dfb49d7e58c64e94ca~mv2.webp)
![The pH indicator.](https://static.wixstatic.com/media/a8ce03_6f6a1da2526c46dfb49d7e58c64e94ca~mv2.jpg/v1/fill/w_397,h_167,fp_0.50_0.50,q_90,enc_auto/a8ce03_6f6a1da2526c46dfb49d7e58c64e94ca~mv2.webp)
Mar 31, 20222 min read
The pH indicator.
CS: 6.2 pH value LS: 6.2.3 Investigate the relationship between pH value and the concentration of hydrogen ions and hydroxide ions...
![](https://i.ytimg.com/vi/i2x4foEuRcI/maxresdefault.jpg)
![Role of Water in showing acidic and alkaline properties](https://i.ytimg.com/vi/i2x4foEuRcI/maxresdefault.jpg)
Mar 31, 20221 min read
Role of Water in showing acidic and alkaline properties
Role of water in showing acidic and alkaline properties.
bottom of page