Question Text
Question 1 :
The earthly or undesired materials associated with an ore are called
Question 2 :
An element reacts with oxygen and give slaked lime. The element is
Question 3 :
Food cans are coated with tin and not with zinc because
Question 4 :
Which among the following alloys contain non-metal as one of its constituents?
Question 5 :
Which one of the following metals is the most reactive and stored in kerosene?
Question 7 :
Give an example of a metal which is a good conductor of heat.
Question 8 :
Give an example of a metal which can be easily cut with a knife.
Question 9 :
Give an example of a metal which is a liquid at room temperature.
Question 10 :
Give an example of a metal which is a poor conductor of heat.
Question 11 :
Which among the following alloys contain non-metal as one of its constituents?
Question 12 :
Which of the following methods is suitable for preventing an iron frying pan from rusting?
Question 13 :
Give an example of a metal which is a liquid at room temperature.