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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 is the chemical name for PbHPO4
4 answers
Q: What properties change if the size of a object changes A density B melting point C solubility D mass
1 answer
Q: What element is formed when hydrogen nuclei fuse together
2 answers
Q: What is the conjugate acid for h3bo3-
1 answer
Q: What color does yelow and blue make
1 answer
Q: What is the formula of a sodium ion and fluoride ion
1 answer
Q: Which is an example of a limitation to a technological solution
4 answers
Q: Which term describes the condition of lacking sweat in response to heat
2 answers
Q: Is magnetization of an iron nail a chemical change
9 answers
Q: What type of bond is kl
2 answers
Q: Is rusting decomposition or synthesis
2 answers
Q: What is an organism that captures energy from sunlight and transforms it into chemical energy that is stored in energy rich carbon compound
1 answer
Q: What gas mark no is 176.67 degrees Celsius
1 answer
Q: Why do you think eye protection is so important while working with acids and alkali
1 answer
Q: What happens when sodium hydroxide is added to red cabbage juice
1 answer
Q: Which one has the larger radius potassium ion or bromide ion
2 answers
Q: How does an atom of bromine-79 become a bromide ion with a -1 charge
1 answer
Q: What mass of carbon dioxide will occupy 5.5L at 5 Celsius and 0.74 ATM
2 answers
Q: What is the net ionic equation for Na OH plus water
1 answer
Q: How do molecules move from place to place
1 answer
Q: Why did early glassmakers add limestone and sodium carbonate to melting sand
1 answer
Q: Why is a spark of energy required to began the chemical reaction of burning a fossil fuel what is another name for this spark of energy
1 answer
Q: How many milliliters of 0.45M HCL will neutralize 25.0 ml of 1.00M KOH
1 answer
Q: Are exploding fireworks an example of a physical or chemical change
4 answers
Q: Why is the rate of diffusion of gases more rapid than that of liquids
2 answers
Q: How many atoms are in iron sulfate
3 answers
Q: What are the different types of potassium
1 answer
Q: What are hazards in Silicon
2 answers
Q: What is it called when water passes through a rock
1 answer
Q: Is CI a compound or a element
2 answers
Q: What is in group 4 period 5 periodic table
1 answer
Q: Do the chemical formula for water is H202
2 answers
Q: Is ammonium phosphide ionic or covalent
1 answer
Q: What type of reaction is baci2 na2so4
1 answer
Q: What uses a chemical reaction to create an electric current
2 answers
Q: What scientist study elements
1 answer
Q: What is the formula for titanium (IV) fluoride
2 answers
Q: What is the arrhenius definition of a base of potassium hydroxide
1 answer
Q: Is slicing a bread a physical change
2 answers
Q: What changes the pH of chyme as it enters the duodenum
1 answer
Q: How do you stop soda exploding
3 answers
Q: What is a bright blue copper mineral Results
1 answer
Q: What is a bright blue copper mineral
1 answer
Q: What is formed by combining oxygen with metal
1 answer
Q: What is the partial pressure of oxygen in the heart
1 answer
Q: Cement in a cement mixer is a liquid The cement between bricks in a wall is a solid what has happened to liquid in the cement
2 answers
Q: What is the amount of substance in given unit of volume called
1 answer
Q: Why is Hydrogen Lithium Sodium and Potassium are all stacked on top of each other on this chart.
2 answers
Q: What is the word equation for sodium carbonate when heated
1 answer
Q: Is 2kcl a element
1 answer
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