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In which type of chemical reaction do crystals of ferrous sulphate lose water on heating and the colour of the crystals changes from light green to white?
When light green coloured crystals of ferrous sulphate are strongly heated, the colour changes to brown-red and a gas having smell of burning sulphur evolves. What type of reaction is occurring in this case?
What products are formed when ferrous sulphate crystals are heated in a test tube?
Following table represents the type of reactions of three metals with various solutions. Metal lron (II) Sulphate Copper (II) Sulphate Zinc Sulphate A No reaction Displacement Not known B No reaction No reaction No reaction C Displacement Not known No reaction Which of the following represents the correct order of reactivity of metals A, B, C
Which of the following statements is/are correct? A. Iron can replace zinc from zinc sulphate solution. B. Zinc can replace copper from copper sulphate solution. C. Copper can replace Iron from Iron sulphate solution.
The particles that makeup lattices of the Van Der Walls crystals, ionic crystals and covalent crystals are respectively
Along with ferrous sulphate what other chemical is added in order to bring about precipitation?
How is permaculture farming different from conventional chemical farming? 1. Permaculture farming discourages monocultural practices but in conventional chemical farming, monoculture practices are predominant. 2. Conventional chemical farming can cause an increase in soil salinity but the occurrence of such phenomenon is not observed in permaculture farming. 3. Conventional chemical farming is easily possible in semi-arid regions but permaculture farming is not so easily possible in such regions. 4. Practice of mulching is very important in permaculture farming but not necessarily so conventional chemical farming Select the correct answer using the code given below.  
With reference to Multi Commodity Exchange Ltd, consider the following statements: 1. It is the country’s largest metals and energy commodity bourse. 2. It offers futures trading in bullion, ferrous and non-ferrous metals, energy, and agricultural commodities. 3. Globally, MCX ranks first in crude oil, second in natural gas, third in and gold and silver in futures trading. Which of the above statements is/are correct? 
Which abrasive is used for soft ferrous and non-ferrous metals for lapping?