If proton number of two atoms is same then it can be concluded that
A. they are isotopes
B. compounds of both with CI2 will be similar in reactivity towards other
compounds
C. both have same colors
D. both have same melting points
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A. they are isotopes
B. compounds of both with CI2 will be similar in reactivity towards other
compounds
C. both have same colors
D. both have same melting points
A. there may be a possibility of a chemical reaction
B. lemon juice is dangerous to health
C. lemon juice is dangerous to health
D. water should be preferred over lemon juice for drinking
A. gram
B. kilogram
C. microgram
D. gram/lit
A. precision and accuracy should go side by side in a scientific work
B. scientific work must be precise, accuracy is not essential
C. scientific work must be accurate, precision is not essential
D. calculations must be made before any experiment
A. are always similar
B. are always different
C. may be similar or different
D. ionic compounds don’t’ have any empirical formula
A. to carry out complete combustion
B. to reduce the economy of the process
C. to reduce the time for completion of the reaction
D. all of the above
A. 6
B. 5
C. 4
D. 3