Basic definition of Chemistry
Quiz by Carb1ol@yahoo.com Shazia Nadeem
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10 questions
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- Q1A substance that cannot be converted to other simpler substances is called anmixtureallelementscompound30s
- Q2A mixture that consists of only one phase is calledcolloidsuspensionhetrogeneoushomogeneous30s
- Q3The entire physical world is made up of the mixture ofcompound and elementscompounds onlynoneelements only30s
- Q4salt in sugar is the example of ----------------------mixturehomogeneousbothnoneheterogeneous30s
- Q5which of the following is a compound?O2N2H2HCl30s
- Q6The atomic number of hydrogen is 1. so the number of protons in hydrogens are223130s
- Q7if the atomic number of an element is 11 and mass number is 23 the number of neutrons are....1411121330s
- Q8Number of electrons in an elements are 17 and neutrons are 20 then amass number of that element will be2037173530s
- Q9No. of Neutron is equalmass number -atomic numberatomic number-mass numberno. of protonsno. of electron30s
- Q10Atomic number of an atom is 20, then number of neutrons202118can not predict30s