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Chemistry
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.
221k
Questions
Q: Which substances provides humans with the main source of energy
1 answer
Q: Which type of bond is created when one atom takes an electron from another to fill its valence shell
2 answers
Q: What common state of matter doesn't have a definite shape or a definite volume
2 answers
Q: Why is it so important for you to understand the classification of the water in the salon where you work
1 answer
Q: What is the typical concentration of sodium to potassium intracellularly
1 answer
Q: Is c2h60 polar
1 answer
Q: Will a magnet sick to sterling silver
1 answer
Q: How are fats chemically and mechanically digested in the small intestine
1 answer
Q: Can bleach damage a fiberglass tub
1 answer
Q: How is the water in the pot heated
1 answer
Q: How many total atoms are in the formula H2SO4
2 answers
Q: What is the name of AL2 (SO4)3
1 answer
Q: Why is the heat content of coal important in determining how the coal is used
1 answer
Q: Does vinigar glow under a black light
1 answer
Q: Ionic formula of lead iv iodide
3 answers
Q: What is the question that Maria and Elena want to answer by performing an experiment
1 answer
Q: What kind of substance is hydrogen peroxide
2 answers
Q: What word describes charcoal that breaks and chatters when it hits the ground
1 answer
Q: What makes coke an acid
1 answer
Q: How did chimney get its name
2 answers
Q: Why do sawdust in water cannot be separated by sedimentation
1 answer
Q: Why 100 ml of kN03 can not hold more than 37 grams of kN03 in dissolved state
1 answer
Q: What is the oxygen pathway when we breathe in
1 answer
Q: Why is epoxy strong
2 answers
Q: Which has greater surface tension of CH4 H2O H2S and Hg
2 answers
Q: What is the balanced symbol equation for potassium and oxygen
1 answer
Q: What has a higher concentration sugar water or tap water
2 answers
Q: What element has the strongest metallic bond potassium lithium iron
1 answer
Q: What type of formula is based on the actual number of atoms that comprise a molecule of that compound
2 answers
Q: What element on the periodic table that starts with the letter E
5 answers
Q: Is strawberries liquefied in a blender a physical change
3 answers
Q: Why did Aristotle believe about the atom
1 answer
Q: What happens when a metle poker is put in fire
2 answers
Q: How much energy in kJ is needed to melt 183.3 g of water at 0 C
2 answers
Q: What are the some examples of homogeneous mixture
1 answer
Q: What colour is fluorine vapor
2 answers
Q: What is the excited state of phosphorus
1 answer
Q: What salitre compound mixture element
1 answer
Q: Why sulphur is not used in making pipes
1 answer
Q: Which subatomic particle is present in the nucleus of an atom
9 answers
Q: When is the unit millimoles per litre used
2 answers
Q: What bar soap is a disinfectant
1 answer
Q: What are formulas for compounds used instead of their common names
3 answers
Q: Which monosaccharide is found in sucrose lactose and maltose
2 answers
Q: How many grams are in a 2tablespoons of graham
1 answer
Q: Why is semen alkaline
1 answer
Q: Why are candy sprinkles a heterogeneous m mixture
2 answers
Q: What wavelength ultraviolet light is best for viewing fluorescent minerals
1 answer
Q: Why is oxygen used in food calorimeters
1 answer
Q: How do you remove candle wax stains from wallpaper
1 answer
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