WebLitmus paper. Litmus paper is stained with litmus (dye produced by lichens) and can either be red or blue. It is used to carry out a litmus test, to determine whether a substance is … Webless than 7 acids are sour tasting substances examples of acids are hydrochloric acid h c l sulfuric acids. 2 and bases definition examples properties uses with - Dec 08 2024 ... reactions acid catalysis bases are substances that taste bitter and change the colour of red litmus paper to blue acids and bases open byu edu - Aug 04 2024

CHEMISTRY Paper 3 Questions and Answers - KCSE 2024 Past Papers

WebBlue litmus is turned to red by adding an acid to it. As hydrochloric acid is a strong acid, it turns the blue litmus paper to red. Hence, option A is correct. Was this answer helpful? … Web15 mrt. 2024 · If carbon dioxide is bubbled through limewater, the limewater turns milky or cloudy white. Carbon dioxide in limewater Chlorine Chlorine is an acidic gas that also acts as a bleach. Damp litmus... gummy bear shurican

Indicators and the pH scale - Acids, alkalis and the pH …

Web3 feb. 2024 · For instance, in the equation HCl + NaOH → NaCL + H2O, the HCl (hydrochloric acid, a strong acid) and NaOH (sodium hydroxide, a strong base) are the reactants. In this equation, they react to form the products NaCL, (sodium chloride, or salt) and H2O (water). What Colour will a solution of HCl and phenolphthalein be? WebLitmus paper indicates alkalinity or acidity by a colour change when coming in contact with solution. Pink = acidic blue = alkaline silver nitrate and HCl Christiana Moore 4.9K … Web31 jan. 2024 · When dilute hydrochloric acid is added to copper oxide solution, the colour of the solution becomes blue-green and the copper oxide dissolves. The blue-green colour is due to the formation of copper (II) chloride. Activity 2.8 Answer: gummy bears how it\u0027s made