WebAnswer Complete the following equations: a) calcium carbonate + nitric acid = (1 mark) b) sodium carbonate + sulphuric acid = (1 mark) c) Ethanoic acid + sodium hydroxide = (1 mark) (Marks available: 3) Answer Some salts are made in industry for use as fertilizers in farming. Complete the table showing acid and alkali used to make these salts WebFeb 23, 2011 · 17. 24/02/11 ACIDS-often give food a sour, sharp flavor (lemon juice) and can be helpful, such as the acids in your stomach. Strong acids can burn your skin. BASES- on the other hand feel bitter and slippery. 18. 24/02/11 The following table shows colour changes and changes range for 4 indicators.
Kids science: Acids and Bases - Ducksters
WebMar 31, 2024 · The acidity of a substance is measured using the pH scale. A substance with a pH of 7 is considered neutral. An acid has a pH less than 7. Anything with a pH higher than 7 is called a base. Here is a list of how everyday things measure up on the pH scale: 0: Battery Acid; 1: Stomach Acid; 2: Vinegar; 3: Orange Juice; 4: Tomato Juice; 5: Coffee ... WebJun 12, 2024 · pH Scale KS3 Subject: Chemistry Age range: 11-14 Resource type: Other 1 review File previews pptx, 1.28 MB Lesson including the introduction to the pH scale along … cscal thaon
Acids and Alkalis Quiz - Fast Revision of KS3 Science
WebJan 3, 2024 · UK KS3 Science Quizzes(for students aged 11-14, ~US grade 6-8) UK GCSE (age 14-16, ~US grades 9-10)Biology* Chemistry* Physics * Advanced Chemistry(16-18 ~US gr's 11-12) KS3 Science KS3 chemistry Questions for test/exam practice including UK KS3 Y7, Y8 and Y9 KS3 science courses SCROLL DOWN TO FOLLOW QUIZ LINKS WebScientists use something called a pH scale to measure how acidic or basic a liquid is. pH is a number from 0 to 14. From 0 to 7 are acids, with 0 being the strongest. From 7 to 14 are bases with 14 being the strongest base. If a … Webthe pH scale for measuring acidity/alkalinity; and indicators reactions of acids with metals to produce a salt plus hydrogen reactions of acids with alkalis to produce a salt plus water Visit the secondary science webpage to access all lists: www.nationalstemcentre.org.uk/secondaryscience dyscalculia checklist steve chinn