WebJul 19, 2016 · Observations: Inference: 1. Gas evolved (a) Colourless and odourless gas CO 2 gas turns lime water milky (b) Colourless gas with odour (i) H 2 S gas—Smells like rotten eggs, turns. lead acetate paper black. (ii) SO 2 gas—Smells like burning sulphur,. turns acidified potassium dichromate paper green (iii) HCl gas—Pungent smell, white … WebWhich one of the following gas turns the starch paper orange –yellow? Br₂ gas. Cl₂ gas. HCl gas. NO₂ gas. 8) Which one of the following gas turns lead acetate paper black? NH₃ gas. H₂S gas. CH₃COOH vapours. SO₂ gas. 9) Which of the following salt produces burning sulphur like smell when heated in a dry test tube?

The gas X is colourless having a foul smell of rotten eggs. It turns ...

WebEasy. View solution. >. A colorless inorganic salt (A) decomposes completely at about 250 o C to give only two products (B) and (C) leaving no residue. The (C) is a liquid at room … WebFig. 7.1 : Testing a Gas Observations Inference Gas Evolved Possible Anion A colourless, odourless gas is evolved with brisk effervescence, which turns lime water milky. Colourless gas with the smell of rotten eggs is evolved which turns lead acetate paper black. Colourless gas with a pungent smell, like burning sulphur which turns acidified boat ferry 違い

ICSE Class 10 Chemistry Question Paper Solution 2024 - BYJU

Web(ii) Addition of dilute hydrochloric acid to B produces a gas which turns lead acetate paper black. (iii) When a freshly prepared solution of ferrous sulphate is added to a solution of C and concentrated sulphuric acid is gently poured from the side of … WebD. Turns moist lead acetate paper silvery black. Answer: (a) (b) (i) low or less (ii) Phenolphthalein (iii) Concentrated HCl ... On reacting with concentrated HCl, it liberates a pungent greenish yellow gas which turns moist starch iodide paper blue black. (b) Identify the substance underlined in each of the following: (i) The electrode that ... boat fenders online