A colorless, toxic, radioactive gas is called, bioaccumulation.
Answer:
How the incident happened
Any chemicals involved in an incident
Any other hazards present in the lab
Explanation:
Above are the types of information that are necessary to communicate with emergency responders. The emergency responders ask the first question that how the incident happened. After that they ask that is there any harmful chemicals are present in the laboratory or what types of chemicals present in the laboratory. These questions were asked by the emergency responders in order to give the patient a suitable treatment.
Answer:1.2M
Explanation:
Molarity=number of moles ➗ volume in liters
Molarity=1.8 ➗ 1.5
Molarity=1.2M
Answer:
The pH of the solution is 8, 40-
Explanation:
The pH indicates the acidity or basicity of a substance. PH values between 0 and less than 7 indicate acidic solutions, 7 neutral and greater than 7 to 14 basic. It is calculated as
pH = -log (H30+)
pH= -log (4x10-9M)
<em>pH=8,40</em>
Answer:
D. Using the new pesticide produces bigger tomatoes than using the
old pesticide.
Explanation:
This hypothesis is best to test for the effect of the new pesticide on the tomato plant.
A pesticide is chemical formulation used to kill pests of farm crops.
Pests prevents the healthy and proper growth of plants thereby resulting in poor yield on the farm.
For the farmer to ascertain the effect of the pesticide on his farm crop, he must compare the yield of his produce. Some tomato might grow well but would not bear good fruit. If the farmer focuses on the fruit produced, he would have derieved a good hypothesis in his experiment.
