what makes the particles of a piece of gold hold strongly close together? answer clearly. 9 th chemistry 1 st lesson
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Although it is very strong, gold is the most malleable of all metals. Pure gold is too soft to withstand the stresses of everyday wear, so it is combined with different alloys to give it strength and durability. These alloys include metals like silver, copper, nickel, and zinc....
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matters in our surroundings ncert book chapter activity solution class nine sciene. ... Matters are made of small particles. ... How close do you have to go near it so as to get its smell?
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