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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: How many atoms in sulfate ion
1 answer
Q: What does the minimum amount of time that an iodine sanitizer solution must be in contact with the object being sanitized
1 answer
Q: What happens when you grind a pepper
2 answers
Q: Is CrO3 molecular or ionic
1 answer
Q: What must be mined smelted and refined before they could be processed into useful everyday materials
2 answers
Q: How do the proportions of a mixture relate to its identity
2 answers
Q: Is nitric acid a compound or element
1 answer
Q: What is the fill line of a graduated cylinder called
1 answer
Q: Is sodium larger than silicone
1 answer
Q: What element is less electronegative than silicon
1 answer
Q: How much gram in a millimole
1 answer
Q: Why do we not eat drink or play in the lab
1 answer
Q: Is salad cream an acid or alkaline
2 answers
Q: What type is Chlorine free refrigerate
1 answer
Q: Is salt solution a conductor or insulator of electricity
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Q: Which observation would provide indirect evidence that the bubbles are not oxygen
1 answer
Q: What is the science dropper made of
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Q: What do iodine pills do for the body
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Q: What is heavier copper or bronze
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Q: Why is chlorine and iodine in different states in room temperature
1 answer
Q: Can neon have more than one element
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Q: Which gas is evolved when iron reacts with sulphuric acid write the word equation evolved how will you didcate for the gas evolved in the reaction
1 answer
Q: What are some similarties between chemical and physical weathering
1 answer
Q: What is the colour of zinc sulfate in water
1 answer
Q: Which acid in present in apple
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Q: What is the difference between spoilage and contamination
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Q: What is liquid shortening
1 answer
Q: What type of compound is ZnSO4
1 answer
Q: Do ionic compounds shatter when the crystals are struck
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Q: Can Arsenic dissolve
1 answer
Q: Why do ionic copounds tend to be hard solid structures
1 answer
Q: What is the name of S2P4
1 answer
Q: Which groups of elements are all malleable conduct electricity and are lustrous
1 answer
Q: What is the formula for zinc ion and carbonate ion
4 answers
Q: Is sugar in water an electrolyte solution
10 answers
Q: Can oxygen be reduced
1 answer
Q: What part of the earths sphere is composed of a mixture of gases
2 answers
Q: Is ribose sugar found in DNA and why
3 answers
Q: Is solubility useful in identifying a substance
2 answers
Q: What are the cation and anions of K2CO3
3 answers
Q: What volume of water should be added to 23.4 g of NaCl to make 100.0 mL of 4.00 M solution
2 answers
Q: What are metabolic energy that do not require oxygen
1 answer
Q: What is oxygen's state at 1000 degrees Celsius
3 answers
Q: What element is similar to sulfur
1 answer
Q: What type of bond is found in an alkene
1 answer
Q: How many valence electrons does each Atom have and how does that affect the type of bond in each molecule
5 answers
Q: What element has 2 electrons in the 1s sublevel and 4 electrons in the 2s level
2 answers
Q: What happens during a hydrolysis reaction.
3 answers
Q: What is the pH for sodium bicarbonate
2 answers
Q: How do you demagnetise a gold plated chain
1 answer
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