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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: What is the relationship betwee plants and oxygen
2 answers
Q: Is ammonia an ionic or molecular compound
3 answers
Q: How many neutrons are there in the nucleus of an atom of lithium if the atomic number is 7
3 answers
Q: What is the acid form of N205
2 answers
Q: How many moles of ions are released when 0.27 mol CoCl2 is dissolved in water
3 answers
Q: Why is sand yellow in colour
2 answers
Q: What is the name of the compound whose formula is HCL
3 answers
Q: How do you get glow stick liquid off leather couch
2 answers
Q: How many protons of tugsten
2 answers
Q: What is the formula of Copper III Chromate
5 answers
Q: Which state of matter has no definite shape but definite volume
7 answers
Q: How can you prepare ethanol from sugarcane
1 answer
Q: How do you remove sunscreen stains from leather couch
2 answers
Q: html
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Q: how can we separate potassium dichromate from water]
3 answers
Q: The following reaction takes place in an acidic solution. MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced) Write the reduction and oxidation half-reactions (without electrons). :(
2 answers
Q: Jaggery is better then sugar
4 answers
Q: How does quartz work in the temperature sensor inside the vial in freeze dryer
2 answers
Q: When stopping a car what changes of eneegy take place
4 answers
Q: Is commerce part of the production process or a separate process
5 answers
Q: provide an overview of the characteristics and distinctions of the following property types: Housing and housing development schemes and commercial and industrial properties and agricultural properties and recreational and leisure properties
2 answers
Q: Under which circumstances will graphite be used as a lubricant instead of grease Explain
2 answers
Q: Does 10KSR stamped inside a ring mean
2 answers
Q: Calculate the amount of ammonia produced from 50g of N in the equation N2+3H2=2NH3
2 answers
Q: Period 3 element that forms a 3- ion
2 answers
Q: Element with a 3- charge in the 4th energy
2 answers
Q: 2+ oxidation number in the 2nd energy level
2 answers
Q: What should I put for a hypothesis for unrusting metal with electricity
2 answers
Q: Which gas turns a universal indicator blue
5 answers
Q: what are the issues with irreversible thermochromic labelling when being transported
2 answers
Q: What would an existentialist say about the fact that only when you get to the bottom does anything change
2 answers
Q: What are the different types of Metal Coating Services
2 answers
Q: the name of the product formed when sodium reacts with potassium
3 answers
Q: Which element is most often found in satirical writing
7 answers
Q: What is the element for 1s22s22p63s2
3 answers
Q: What is the element for 1s22s22p63s23p64s23d10
2 answers
Q: What is the element for 1s22s22p5
6 answers
Q: Errors in filtration
1 answer
Q: A crab has an exoskeleton. The combusting wax in a candle wick is exothermic. What does the prefix “exo” mean and how does it apply to the burning of wax
1 answer
Q: How do paint strippers work, and what purpose do alcohols have in them
3 answers
Q: Rema used the apparatus to distill 100cm3 of water soluble ink,what process occur during distillation
1 answer
Q: Different between alcohol and non alcohol
2 answers
Q: Which of the following is a benefit of agricultureA. Decreased biodiversityB. Increased soil erosionC. Deforestation and desertificationD. Milk and egg production
2 answers
Q: write a simple word equation that shows you can figure out the charge of an ion given its numbers of electrons and protons
2 answers
Q: How did the girl react on seeing the crumpled flowers and broken vase how did malachovs attitude change after that
2 answers
Q: How to drink Electral Powder
2 answers
Q: Characteristics of Kaija
2 answers
Q: why are solids denser than water
2 answers
Q: What arr some of the physical properties of a pure substance
1 answer
Q: When the alcohol of molecular formula C4H10O is oxidised, what is the molecular formula of the acidformedA C4H12O2 B C4H10O2 C C4H8O2 D C4H6O2
2 answers
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