Chemistry Assignment
h Soap
026/01/2020
.). Classify the following substances as element, mocture on
Compound
e limestone
is Diamond a soil durine e Bronze
& Sugar
3. Gold
. A Laleon
Classify coach y the following as phiyareal or chemical el
b. Dissolution
of
Change in colour of zinc obcicle from white to yellow
vice during heating and after cooling respectively.
State what Seperation method you would use for
Teresine and water
common salt

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

Plz me ! 1 which of earths spheres contains most of its mass? a atmosphere b hydrosphere c geosphere* d biosphere 2 erosion and weathering are examples of which types of forces? a constructive forces b destructive forces* c gravitational forces d inertia-related forces 3 which of the following statements about earths atmosphere is true? a earths atmosphere contains 78% water vapor which is essentail to life b earths atmosphere contains 21% oxygen c earths atmosphere contains carbon dioxide which all life forms require d earths atmosphere allows radiation from the sun to pass through it and warm earths surface* 4 the strenght of the force of gravity between two objects is determined by which of the following factors? select all that apply a the messes of the objects* b the distance between the objects* c the volumes of the objects d the surface area of the objects 5 earth and moon are kept in there respective orbits due to the influence of a inertia b gravity c gravity and inertia* d neither gravity or inertia if you answer all questions right i will give

Which element is least likely to undergo a chemical reaction