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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: What is N2Cl3
1 answer
Q: What compound is this Al3O2
3 answers
Q: What Calculate mass of potassium chloride required to prepare its 40 solution in 100g of water
1 answer
Q: What colour is soap in universal indicator
1 answer
Q: Why does concentrated HNO3 stain skin yellow
1 answer
Q: How do you prepare 10 FeCl3
1 answer
Q: How do you make 10 percent FeCl3
2 answers
Q: How do you make 2N NaoH SOLUTION
1 answer
Q: What physical state is HF at room temp
3 answers
Q: How could the purity of the ethanol collected be checked in fractional disstilation method
1 answer
Q: What are the three main differences between the types of metals
1 answer
Q: Do esters have fruity smells
2 answers
Q: What Does salt move by osmosis or by diffusion
1 answer
Q: What is the ionic compound of NaH2PO4
1 answer
Q: What is the physical appearance of the potassium nitrate solution
8 answers
Q: Is drying cloths is chemical change
2 answers
Q: Is washing cloths is a chemical change
1 answer
Q: What two elements with properties most like chlorine
1 answer
Q: What is the change when you add zinc to about 5 ml of hydrochloric acid
2 answers
Q: Is iron oxide an acidic or basic or neutral oxide
1 answer
Q: What gas in the air would increase if a large trees were cut down
2 answers
Q: Why are group IA elements strong reducing agents
1 answer
Q: What is the state color and luster of bromine
2 answers
Q: What is the state color and luster of magnesium
2 answers
Q: What is used to remove a urethane stain from an oxidized painted surface if nothing else will work
1 answer
Q: Which describes the law of conservation of matter
6 answers
Q: What pH value is lipase likely to denature
1 answer
Q: Which is more dense motor oil or gasoline
3 answers
Q: How does a carbon atom get into a penguin
1 answer
Q: Which molecules move during diffusion
1 answer
Q: Is ranch an acid or a base
1 answer
Q: Which sentence best describes a buffer
1 answer
Q: Where does unsweetened cocoa powder go on a macromolecule chart
1 answer
Q: What was the most molecular oxygen in the early atmosphere of earth resulted from
1 answer
Q: What was the purpose of the periodic table'
11 answers
Q: Is ZnCI 2 molecular or ionic
1 answer
Q: What substances combine without a chemical reaction
2 answers
Q: How does the presence of starch show photosynthesis has taken place
2 answers
Q: Which of the examples below is an example of oppression
3 answers
Q: What are three characteristics that acid and bases have in common
1 answer
Q: What is the percent composition by mass of chlorine in Mg(CLO4)2
1 answer
Q: Which property would be classified durable
2 answers
Q: Which is not a formula for a diatomic molecule
2 answers
Q: What part of earths spheres is composed of a mixture of gases
2 answers
Q: Why do we say there is a finite number of elements in the universe
2 answers
Q: What is the pH of 2 hydrochloric acid
1 answer
Q: Which element must an effective wartime speech have
6 answers
Q: What is the role of phosphoric acid in titration
1 answer
Q: When do scientists think chemical evolution occurred
1 answer
Q: What is the chemical compound for Be2N2
3 answers
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