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Chemistry

Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.

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Q: What atom is a halogen
1 answer
Q: What effects do farms have on dissolved oxygen
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Q: Is polonium brittle
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Q: What type of bond exists between two opposite charge
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Q: What is the volume of oxygen occupied by 2 moles at 1.3 ATM pressure and 300K
4 answers
Q: What property made it possible to separte the mixture with a magnet
2 answers
Q: How is energy conversions involved in the formation of coal
1 answer
Q: Is burning a candle happen slowly and a chemical change
1 answer
Q: What is the three steps to smelting iron ore
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Q: What gas do we breathe That help our body get energy from food
1 answer
Q: Is methane a ionic compound
2 answers
Q: Why is hydrogen produced at the negative electrode and not sodium
1 answer
Q: What are the main components of coal
1 answer
Q: How is stoichiometry used to calculate energy absorbed when a mass liquid boils
2 answers
Q: Why is tin foil made of aluminium and not steel
2 answers
Q: Which equation best represents the dissociation of watermark molecules into hydrogen ions and hydroxide ions
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Q: How many joules are in 56 kilo joules
2 answers
Q: What is the charge of h2o
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Q: Is cesium conductive
1 answer
Q: Which of there in an example of technology that acids scientists in their invertigations
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Q: What elements make Nitrogen hydroxide
1 answer
Q: What is deuterolysis
1 answer
Q: How many elements in feS
2 answers
Q: What are two words that are unhealthy elements in the air we breathe
1 answer
Q: What type of reaction is when dilute HCl is added to NaOH
2 answers
Q: Are alkalies always more dangerous than acids
1 answer
Q: What is 2 way matter can change
2 answers
Q: What are the colours of cuso4.6h2o
1 answer
Q: Is no2 covalent compound
1 answer
Q: How many hydrogen atoms are in the formula for ammonium phosphate
2 answers
Q: Is tellurium dull or shiny luster
1 answer
Q: What happens to the reaction rate as a reactant gets gets used up
3 answers
Q: How would extensive deforestation affect the oxygen cycle
1 answer
Q: Which is the strongest oxidizing agent between lithium fluorine hydrogen
2 answers
Q: Which ionic compound will lower the freezing point the most of 1 mol of it is added to 1 mol of it is added to 1 L of water
2 answers
Q: What is the safest way to smell a substance in science
1 answer
Q: How many primary secondary tertiary and quaternary carbon atom in the following alkane or structure
1 answer
Q: Is fire transparent
1 answer
Q: What weighs 180 milligrams
1 answer
Q: Is disodium salt considered as a primary standard
1 answer
Q: What are quality control test for creams
1 answer
Q: When Na OH is added to water the hydrogen concentration increases what can you conclude about Na OH
1 answer
Q: How does the atomic number change as you move left or right of the periodic table
2 answers
Q: Can you drink bubbly water before fasting blood test
1 answer
Q: How do you use the word Nuceli acid in a sentence
1 answer
Q: What is the sum of all chemical reactions in an organism
3 answers
Q: What if you mix Hydrogen and nitrogen
1 answer
Q: Why is baking soda mixed with dry ingredients before adding it to liquid in recipe
1 answer
Q: How many atoms are in 1.6 g C
2 answers
Q: How many hydrogen atoms (H) are in ammonium carbonate
3 answers
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