Related InterviewSolutions

• What is the property of metal caused for shining appearance?
• Match the columns:Column ‘A’Column ‘B’1. Coppera. Low melting point2. Sodiumb. Liquid3. Magnesiumc. High melting point4. Borond. Conduction of heate. 2, 8 2
• Match the columns:Column ‘A’Column ‘B’1. Silvera. Copper + tin2. Mercuryb. Medicines3. Platinumc. Thermometer4. Brassd. Catalyst
• Identify the odd term :(i) Gold, Silver, Iron, Diamond.(ii) Ductility, Brittleness, Sonority, Malleability.(iii) Carbon, Bromine, Sulphur, Phosphorus.(iv) Brass, Bronze, Iron, Steel.
• Iron made objects will undergo quick rusting. Give reason? What are the methods used to prevent the speed of the process?
• Give scientific reason:The stainless steel vessels in kitchen have copper coating on the bottom.
• Why should we paint the iron bars of window?
• Write the following rentals in the ascending order of the reactivity with acids. Copper, sodium, iron, aluminium
• Why are aluminium rods not used to reinforce concrete?
• Fill the tableUsePropertyTo make utensils…………………To make aluminium foil…………………To making farming tools…………………To make electric wire…………………To make bells…………………