Answer the following questions; (a) What is the colour of iron (III) chloride precipitate? (b) What is the colour of iron (III) nitrate solution? What is the heat of solution (qsoln) for the neutralization reac
DHydrogen sulphate gas is evolved. Submit Dviolet and then turns greens Submit What happens when a piece of : (a) zinc metal is added to copper sulphate solution ? (b) aluminium metal is added to dilute hydrochloric acid ? Write chemical equations involved. ...
Mention with reason the colour changes observed when: (i) silver chloride is exposed to sunlight. (ii) copper powder is strongly heated in the presence of oxygen. (iii) a piece of zinc is dropped in copper sulphate solution. View Solution ...
It is a branch of natural science that examines the building blocks of matter, including the atoms, molecules, and ions that make up compounds and their composition, structure, behaviour, and changes that occur when they interact with other things. The quantum mechanical approach is currently used...
Hydrogen is often used to replace a cation since it is positively charged and is more reactive than a number of metal elements (but not all of them). Answer and Explanation: Zinc ranks higher in the reactivity series than silver. Therefore, zinc will replace the silver and the ...
When comparing and discussing bottled water, TDS is often mentioned as a standard quality metric. TDS stands for "total dissolved solids" and measures the minerals, salts and organic compounds that naturally dissolve in water via contact through rock and
Copper sulfate is a hydrated crystal with the formula CuSO_4 cdot 5H_2O and a deep blue colour. When it's heated, the crystals crumble and turn white. (a) Propose an explanation for this change of c An antique spoon is to be silver plated. How lo...
When zinc rod is directly placed in copper sulphate solution / AThe blue colour of solution starts intensifying BThe solution remains electrically neutral CThe temperature of solution falls DThe weight of zinc rod starts increasingSubmit When a zinc rod is suspended in copper sulphate solution Athe...
What happens when: Borax is heated strongly View Solution What is the colour of anhydrous copper sulphate ? View Solution What happens when a piece of : Zinc metal is added to copper sulphate solution? View Solution What happens when dehydrated copper sulphate is allowed to cool in air ?
Describe what will happen to the solution when the reagent is added if the solution A test tube has a solution of KMnO4 + NaOH+ NaHSO3 arrow K2MnO4 (green coloured-solution) + H2O + Na2SO4. If too much HSO3^- was added to this solution, what would be the re...