The reactions involving simultaneous oxidation and reduction?
Automatic reactions
Alternate reactions
Reduction agency
Redox reactions
Correct answer is D
Redox (reduction/oxidation) describes all chemical reactions in which atoms have an increase or decrease in oxidation number (oxidation state).
A chemical process in which there is a gain of electrons is known as?
Sublimation
Reduction
Oxidation
Distillation
Correct answer is B
Reduction, any of a class of chemical reactions in which the number of electrons associated with an atom or a group of atoms is increased.
33
35
18
19
Correct answer is B
The Group 7 elements are called the halogens. They are placed in the vertical column, second from the right, in the periodic table .
Chlorine (17), bromine(35) and iodine(53) are the first three of the Group 7 elements.
#23,500
#60,500
#60,700
#82,500
Correct answer is B
Sales - Cost of Goods Sold = Gross Profit.
Cost of goods sold = opening stock + purchases - closing stock
COGS= 2500 + 120000 - 3000 = 119,500
180,000 - 119,500 = 60,500
Sales
Purchases
Equality
Floor space
Correct answer is C
No explanation has been provided for this answer.