Question

chemical combinations, SI units.
Q.1) What are the SI unit of mass, length & time?
Q.2) Match the following prefixes with their multiples:
Multiples
106
109
Prefixes
(i) micro
(ii) deca
(iii) mega
(iv) giga
(v) femto
(vi) pico
10-6
10-15
10
10-12​

Answer 1

Q1)SI units- mass -kilogram 2) length-meters. 3). time-hours