Which of these are properties of bases? I. sour II. turn litmus blue III. dissol

Question

Which of these are properties of bases?

I.

sour

II.

turn litmus blue

III.

dissolve some metals

IV.

slippery

I only

III only

I and II

I and III

II and IV

Which of these gases combine with water to form acid rain?

I.

SO2

II.

NO2

III.

H2

IV.

N2

V.

Cl2

I only

II only

I and II

I and IV

I, III, and V

Which of these elements is the basis for organic chemistry?

hydrogen

nitrogen

sodium

sulfur

carbon

You could swallow a capsule of germanium, Ge (atomic number 32), without significant ill effects. If a proton were added to each germanium nucleus, however, you would not want to swallow the capsule because the germanium would

become arsenic

become radioactive

expand and likely lodge in your throat

taste different

Polymers which produce water as a byproduct during their formation are known as

thermopolymers

addition polymers

elastomers

copolymers

condensation polymers

I.

sour

II.

turn litmus blue

III.

dissolve some metals

IV.

slippery

Explanation / Answer

Question 1) ii and iv

Question 2) i SO2. On reacting with water SO2 forms H2SO4

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