Answer: C) 330 g
Explanation: Since all the masses are given in different units, it's good to make all of them to have same unit. Let's say we convert all of them to grams.
A) kg stands for kilogram and 1 kg = 1000 g
So, 
= 33 g
B) hg stands for hactogram and 1 hg = 100 g
So, 
= 33 g
C) 330 g
D) cg stands for centigram and 1 cg = 0.01 g
So, 
= 33 g
Looking at all the choices, choice A, B and D represent equal amount of matter that is 33 g where as choice C represents 330 g of matter.
Hence, the correct choice is C) 330 g.
Answer:
Pure Chemistry -- is NOT considered a branch of Chemistry.
Explanation:
Second question is number 4.
<u>Because</u> some of the protecting endangered animals habitats overlap with areas that humans count on for their livelihoods.
Water is a polar covalent molecule.
Water is a bent (bent shape) molecule.
Answer : Option A) 
Explanation : From the given options;
A) is the molecule which forms double bonds with own atom and becomes stable. It covalently shares the two valence electrons in the valence shell and becomes an octet.
B)
the water molecule does not forms double bond between H atom and O atom as the valency of oxygen is two and hydrogen is one. So two atoms of H forms a single bond with one atom of O.
C) 
molecule shares a covalent bond with the other atom of Cl. This does not forms a double bond as only one electron is needed for Cl to attain the octet state.
D) 
The N atom has 3 electrons for donating, which is fulfilled by each of Cl atoms as they need only one electron to be an octet. It forms a single bond as there are no lone pairs left to form a double bond.
Hence, the correct answer is molecule.
