1 / 8

ACIDS & ALKALIS

ACIDS & ALKALIS. Acids & Alkalis. Acids and alkalis are chemical opposites We can test whether a substance is acid or alkali by using an indicator. There are different indicators including: Litmus Universal Indicator. INDICATORS.

alika
Download Presentation

ACIDS & ALKALIS

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. ACIDS & ALKALIS

  2. Acids & Alkalis • Acids and alkalis are chemical opposites • We can test whether a substance is acid or alkali by using an indicator. There are different indicators including: Litmus Universal Indicator

  3. INDICATORS • Click on the test tubes to find out how LITMUS indicator works ACID ALKALI

  4. INDICATORS blue Litmus indicator turns alkalis _______. and acids . indicator tells us how strong or weak an acid or alkali is. red Universal

  5. MAKING INDICATORS vegetables berries We can use , , And flowersto make indicators. We need to use this equipment: Measuring cylinders pestle mortar

  6. The pH Scale Weak acid Weak alkali 1 6 8 14 7 Strong acid Strong alkali Neutral

  7. NEUTRALISATION ACID + ALKALINEUTRAL +

  8. Testing Soil pH Soils have different pH’s. If the soil is pH 5 it will be . If it is pH 10 it will be . To make acidic soil neutral we can add . alkaline acidic lime

More Related