subject
Chemistry, 26.07.2021 17:00 klanclos1620

Which of the following oxides is amphoteric oxide?
A)Na2O
B)Al2O3
C)MgO
D)SO2

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 04:30
Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.
Answers: 1
question
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
question
Chemistry, 22.06.2019 12:30
What human activity increases beach erosion?
Answers: 2
question
Chemistry, 22.06.2019 13:00
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
You know the right answer?
Which of the following oxides is amphoteric oxide?
A)Na2O
B)Al2O3
C)MgO
D)...
Questions
question
Mathematics, 10.04.2020 06:15
question
Chemistry, 10.04.2020 06:16
question
Chemistry, 10.04.2020 06:16
Questions on the website: 13722361