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ehidna [41]
3 years ago
11

Information gathered by a scientist about the toxicity of chemical X and chemical Y showed that they had individual safe limits

for fish at particular concentrations. But when they were used together at the safe concentrations, there were extensive fish kills. This is an example of _________
Chemistry
1 answer:
timofeeve [1]3 years ago
6 0

Answer:

Synergism

Explanation:

This is an example of Synergism. Synergism is nothing but working out of two medicines together.

Examples of medical synergies are when doctors treat microbial heart infections with ampicillin and Gentamicin and when people with cancer undergo radiation and chemotherapy or more than one chemotherapy drug at a time.

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Major species present when fructose is dissolved in water
Katyanochek1 [597]
The fructose chemical formula is C6H12O6. The answer to the question above regarding the major species present when fructose is dissolved in water (H2O) is "None". No ions are present. It is false that when sugar is dissolved in water there will be strong electrolytes.
7 0
3 years ago
Read 2 more answers
Pleassse help!!!
11111nata11111 [884]

True

Explanation:

Harry Hess in 1961 resurrected Wegener's continental drift hypothesis and also he mantle convection idea of Arthur Holmes by postulating the theory of sea floor spreading.

  • After Wegener's postulation of the continental drift hypothesis, not much was done.
  • It was only around 1931 that Arthur Holmes came up with the idea of a convecting mantle.
  • After the second world war passed, new instruments were used to investigate and map the ocean floor.
  • Through this, Arthur Holmes came up with the idea of a spreading sea floor.
  • This gave a full gleam picture to the idea of a moving earth and the more accepted terminology of "Plate tectonics " came to the fore.

Learn more:

Sea floor spreading brainly.com/question/9912731

Continental drift brainly.com/question/5002949

#learnwithBrainly

8 0
3 years ago
Atoms of which two elements have a combined total of 23 protons?
Alik [6]

Answer:

A

Explanation:

Sodium has 11 electrons and Magnesium has 12 electrons. Since here you need to consider atoms, they must have equal amount of protons as electrons to be considered neutral, and so an atom.

So simply 11+12 =23

6 0
2 years ago
Which substance can not be broken down by a chemical change
Marina CMI [18]
A substance that cannot be broken down into even by chemical means is called an element. About 90 elements on the Periodic Table can be found naturally on Earth. Three of the most common ones are aluminium, silicon and oxygen.
Sorry I couldn't give you a more specific answer as your question wasn't multiple choice.
8 0
3 years ago
Phenolphthalein indicator is??
Aleonysh [2.5K]

Answer:

Hey mate.....

Explanation:

This is ur answer.....

<em>Phenolphthalein is often used as an indicator in acid–base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes.</em>

Hope it helps!

mark me brainliest pls....

Follow me! :)

7 0
2 years ago
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