Isolation of Elements
23 questions · Chemistry · JEE AdvancedGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Isolation of Elements
23 questions · Chemistry · JEE Advanced
- The correct statement(s) related to processes involved in the extraction of metals is(are) :2023 · Shift 1 · Q1 · Multiple correct
- The electrochemical extraction of aluminum from bauxite ore involves2022 · Shift 1 · Q11 · Multiple correct
- The correct option(s) related to the extraction of iron from its ore in the blast furnace operating in the temperature range is(are)2022 · Shift 2 · Q12 · Multiple correct
- The correct statement(s) related to the metal extraction processes is (are) :2021 · Shift 1 · Q15 · Multiple correct
- A mixture of two salts is used to prepare a solution S, which gives the following results : The correct option(s) for the salt mixture is (are) Includes diagram2021 · Shift 1 · Q16 · Multiple correct
- Which among the following statement(s) is/are true for the extraction of aluminium from bauxite?2020 · Shift 2 · Q9 · Multiple correct
- Calamine, malachite, magnetic and cryolite, respectively, are2019 · Shift 1 · Q3 · MCQ
- The cyanide process of gold extraction involves leaching out gold from its ore with CN in the presence of Q in water to form R. Subsequently, R is treated with T to obtain Au and Z. Choose the correct option(s).2019 · Shift 2 · Q7 · Multiple correct
- Galena (an ore) is partially oxidized by passing air through it at high temperature. After some time, the passage of air is stopped, but the heating is continued in a closed furnace such that the contents undergo self-reduction. The weight…2018 · Shift 2 · Q1 · Numerical
- Extraction of copper from copper pyrite () involves2016 · Shift 2 · Q1 · Multiple correct
- Match the anionic species given in Column-I that are present in the ore(s) given in Column-II Includes table2015 · Shift 1 · Q1 · MCQ
- Copper is purified by electrolytic refining of blister copper. The correct statement(s) about this process is(are)2015 · Shift 1 · Q2 · Multiple correct
- Sulphide ores are common for the metals2013 · Shift 1 · Q8 · MCQ
- The carbon–based reduction method is NOT used for the extraction of2013 · Shift 2 · Q1 · Multiple correct
- In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents used are2012 · Shift 2 · Q1 · MCQ
- Extraction of metal from the ore cassiterite involves2011 · Shift 1 · Q7 · Multiple correct
- Oxidation states of the metal in the minerals haematite and magnetite, respectively are2011 · Shift 2 · Q1 · MCQ
- Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ores of copper inculcated chalcanthite (CuSO . 5H O), atacamite (Cu Cl(OH) ), cuprite (Cu O),…2010 · Shift 1 · Q22 · MCQ
- Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ores of copper inculcated chalcanthite (CuSO . 5H O), atacamite (Cu Cl(OH) ), cuprite (Cu O),…2010 · Shift 1 · Q23 · MCQ
- Copper is the most noble of the first row transition metals and occurs in small deposits in several countries. Ores of copper inculcated chalcanthite (CuSO . 5H O), atacamite (Cu Cl(OH) ), cuprite (Cu O),…2010 · Shift 1 · Q24 · MCQ
- Native silver metal forms a water soluble complex with a dilute aqueous solution of NaCN in the presence of:2008 · Shift 1 · Q5 · MCQ
- Match the conversions in Column I with the type(s) of reaction(s) given in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 4 matrix given in the ORS. Includes table2008 · Shift 2 · Q22 · MCQ
- Extraction of zinc from zinc blende is achieved by2007 · Shift 1 · Q3 · MCQ