Which of the following are the reasons for pouring used acids and alkalis into waste bottles instead of the sink? (1) acids and alkalis may corrode the pipes.
(2) acids and alkalis are harmful to the environment.
(3) acids and alkalis should be collected for treatment before discharge.
A (1) and (2) only
B (1) and (3) only
C (2) and (3) only
D (1), (2) and (3)

Select the atomic models that belong to the same element

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed