Chemical Topic Questions
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We found 161 questions associated with the 'Chemical' topic. Displaying results 21 - 30.
Rocks that have been worn away or broken up by chemical ,biological or physical processes?
Posted 3+ months ago | 2 answers | | Open
Related topics: rock, broken, chemical, away, worn, physical, biological
If you cut a paper into small pieces, is this a physical or chemical change?
The well tray with chemical spilled on my arm. What do I do?
We had a lab experiment this morning, I'm not sure what are the chemicals since our teacher did not say anything about it. So, by the end, when ...
Posted 3+ months ago | 0 answers | | Open
Related topics: morning, lab, arm, chemical, teacher, experiment, ends, tray, spilled
The fire worsened due to the _________. A chemicals B explosions C delays D conditions?
A discarded cigarette sparked a Canadian wildfire in 2003. Officials did all they could to fight the fire. Still, they had never seen flames spread ...
Posted 3+ months ago | 1 answers | | Open
Related topics: fire, flame, canadian, 2003, fight, cigarette, chemical, spread, explosion, wildfire, discarded
Is the total amount of water on earth constant? Why the quantity of water on earth is not reducing?
No chemical reaction on earth forms water naturally. However millions of reactions including photosynthesis consumes water. Hence logically the ...
Why do my handkerchiefs/tissues smell awful?
I bought packs of paper handkerchief, paper tissues, or whatever they’re called, and they bear the smell of a strong chemical substance. When I ...
Posted 3+ months ago | 0 answers | | Open
Related topics: paper, chemical, bought, tissue, pack, strong, smell
Google - Back in 2013 a pimple appeared in the middle of my forehead then a black line it spreaded?
... out now it's bigger than the size of a quarter I had about 6 chemical peels and it won't work what does this mean ??? Please help me
Posted 3+ months ago | 1 answers | | Open
Related topics: black, line, peel, chemical, back, quarter, middle, size, google, pimples, forehead
How do I get best of my training in an oil refinery ?
I am a 3rd a stage Petro-chemical Engineering student, next week i start my summer training in an oil refinery, So I ask engineers and people with ...
Posted 3+ months ago | 0 answers | | Open
Related topics: oil, summer, training, chemical, engineering, refinery, petro, engineer
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