Status Exam
A student measured the gram weight of a
metal object to be 7.45g. According to the
supplier the object weighs 6.78g. What is the
error in the student's measurement?

Which type of reaction always has an element and a compound as reactants

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Which answer lists the fundamental forces in order from strongest to weakest