Chemistry
Complete the following by selecting the correct option from the choices given:
(i) pH of acetic acid is greater than dilute sulphuric acid. So acetic acid contains …………… concentration of H+ ions. (greater, same, low)
(ii) The indicator which does not change colour on passage of HCl gas is ……………. (methyl orange, moist blue litmus, phenolphthalein)
(iii) The acid which cannot act as an oxidizing agent is ……………. (conc. H2SO4, conc. HNO3, conc. HCl)
Related Questions
Choose the correct word which refers to the process of electrolysis from A to E, to match the description (i) to (iv): A: Oxidation, B: Cathode, C: Anode , D: An electrolyte , E : Reduction
(i) Conducts electricity in aq. or in molten state.
(ii) Loss of electrons takes place at anode.
(iii) A reducing electrode
(iv) Electrode connected to the positive end or terminal of the battery.
Baeyer's process is used to concentrate bauxite ore to alumina. Give balanced chemical equations for the reaction taking place for it's conversion from bauxite to alumina.
Match the gases given in column I to the identification of the gases mentioned in column II:
Column I Column II (i) Hydrogen sulphide A. Turns acidified potassium dichromate solution green. (ii) Nitric oxide B. Turns lime water milky. (iii) Carbon dioxide C. Turns reddish brown when it reacts with oxygen. (iv) Sulphur dioxide D. Turns moist lead acetate paper silvery black. Differentiate between the following pairs based on the information given in the brackets.
(i) Conductor and electrolyte (conducting particles)
(ii) Cations and anions (formation from an atom)
(iii) Acid and Alkali (formation of type of ions)