Give scientific reason :Gold and platinum are called noble elements. – InterviewSolution

InterviewSolution

1.

Give scientific reason :Gold and platinum are called noble elements.

Answer»

1. The metals such as gold and platinum are found in nature in the form of elements.

2. They are not affected by water, air, acids, heat and also do not take part in chemical reactions. Hence, they are called noble metals.

Discussion

No Comment Found

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…………………