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Science questions and answers - page 3
Home made Generator
Whats the best/easiest way to make a generator to power my laptop?Organic solute
Describe in detail what happens when iodine dissolves in propanone (include reference to physical structure in terms of covalent bonding in iodine)Is the bumbulbee that a microchiropteran or a megachiropteram
Isthe bumbulbee that a microchiropteran or a megachiropteramDid we evolve from apes?
Who thinks we evolved from apes?I do?!are humans still evolving?
are humans still evolving?Why does the freezing point of water decrease?
When salt is added to water, the freezing point of the water decreases. Explain whyAre oxygen and hydrogen compounds?
In nature, the elements oxygen and hydrogen are usually found as gases with the formulas O2 and H2. Why? Are they compounds? Are they molecules?Explain why the atomic mass of most elements are not whole numbers?
1. explain why the atomic mass of most elements are not whole numbers? 2. How are the electrons of atoms involved when a chemical change takes pl...How are resistance, speed and the particle model related?
How are resistance, speed and the particle model related?Key ideas about pressure?
Can somone please summarise the key ideas about pressureHow does the following improve soil fertility?
I'm studying for my biology test and I was wondering, How does the following improve soil fertility: -ploughing in stubble rather than burning it -...Radiophobia and phobias!
Would anyone please let me know if they suffer from Radiophobia? :-) It would help me, because I have this, and have not met anyone else who has t...Where is the element xenon usually found.
Where is the element xenon usually Found.? :) [ for school project ]Question on the element xenon _
Is the element ' xenon ' a metal, Nonmetal, or metalloid . ? I've been On google all day looking for the Answer and I just cnt seem to find it...How to predict a formula of a compound???
I have a big trouble in predicting for example zincsulphide zn+2 s-2 But in the lattice each zinc atom is bonded to 4 sulphur atoms, so whi...