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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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Questions
Q: Which property of filter paper is used to separate an insoluble solid from a liquid
3 answers
Q: Why do we heat the test tube in a water bath and not directly over a flame
8 answers
Q: Which anion forms soluble compounds
4 answers
Q: How is MgO a compound
2 answers
Q: How can you determine the difference between NaCl and sucrose
1 answer
Q: Is diphosphorus heptoxide ionic or covalent
1 answer
Q: How can you increase the solubility of a gaseous solute
4 answers
Q: What is the most important thing you can do if you are in your friends bedroom and you find a rag soaked with gasoline in an empty bag
1 answer
Q: Is P2F3 ionic or covalent
1 answer
Q: What element is useful as a nuclear-powered battery
2 answers
Q: Is LiCH3COO an ionic or covalent bond
1 answer
Q: What are two properties of covalent bonds
2 answers
Q: How many grams of kcl can dissolve in 100g of water at 30C
1 answer
Q: Atoms of metallic elements can form ionic bonds but they are not very good at forming covalent bonds. Why
2 answers
Q: What substances inside of cell walls make them tough
1 answer
Q: How do you pixelmon iron and coal
1 answer
Q: How is iodine made
2 answers
Q: How many nuetrons are in nitrogen
1 answer
Q: What are the differences between filtration and re absorption in the kidneys
1 answer
Q: After osmosis occurs between the two containers what happens
1 answer
Q: What is the pH of Medicine
2 answers
Q: Can hydrochloric acid be used to make dye
1 answer
Q: How do smart materials work
1 answer
Q: Is scratches glass of physical property
2 answers
Q: What brings oxygen to the cells for respiration
1 answer
Q: How many kilocalories of heat are needed to raise the temperature of 460 grams of water from 13 C to 45 C
1 answer
Q: What is the bond between potassium and oxygen
1 answer
Q: Will sodium nitrate dissolve in ethanol
1 answer
Q: When adding sugar to water how does the water change
1 answer
Q: What is the balance equation for ammonia plus sulfuric acid
2 answers
Q: What are the two necessary conditions for cracking to take place
1 answer
Q: Why aluminum reacts so slowly with copper sulphate
1 answer
Q: Why copper cannot displace iron from iron sulphate solution
2 answers
Q: Why is orange a good conductor of electricity
1 answer
Q: Oxygen is produced during the light reactions when
1 answer
Q: Does specific gravity has units
4 answers
Q: Is washing soda covalent compound
1 answer
Q: What remains when the nitrogen-containing portion of an amino acid is removed
1 answer
Q: Why are chemical finishes used on cotton garments
2 answers
Q: What is NaLiSO4
1 answer
Q: When you dissolve copper metal in nitric acid why must the reaction be performed in the hood
1 answer
Q: How many atoms are in sodium
2 answers
Q: How many atoms are in Fe
3 answers
Q: Do water and sugar make an electrolyte solution
2 answers
Q: What is atomicity of oxygen
2 answers
Q: Is the product of an acid and a metal neutral
3 answers
Q: What is the specific rotation of amoxicilin
1 answer
Q: What is difference between covalent and co- ordinate covalent bond
1 answer
Q: Why is vinyl alcohol acidic in nature
1 answer
Q: How does sodium atom and a chloride atom combine
2 answers
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