FROZEN FOOD – Who discovered the first practical method of freezing food?
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Natural radioactivity was discovered by
Elements having same atomic numbers but different mass number are called ______.
Find the ODD number ?
Except 142 all are divisible by number '7'.
When was Jana-Gana-Mana (which later became 'National Anthem' of India) first sung and where ?
Which is the first country in the world to use drones for national mail service?
France became the first country in the world to use drones for national mail service.
Gammaxene, D.D.T. & Bleaching powder are important compounds of
Gammaxene, D.D.T. & Bleaching powder are important compounds of Chlorine.
Where did India play its 1st One Day International match?
India play its 1st One Day International match in cricket against England in the year 1974 in Headingley in Leeds.