Radioactivity was discovered by __________?
Radioactivity was discovered by __________?
A. Kelvin
B. Thomson
C. Rutherford
D. Bacquerel
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Summer solstice means__________?
Summer solstice means__________?A. longest day
B. longest night
C. smallest day
D. none of theseWhich product is obtained in the manufacture of soap from oils:
Which product is obtained in the manufacture of soap from oils:A. Sodium chloride
B. Sodium hydroxide
C. Fats
D. Glycerine“COTTON” is grown on ___________?
“COTTON” is grown on ___________?A. Black soil
B. Red Soil
C. Regur Soil
D. Alluvial SeaWireless transmission can be done via _____________?
Wireless transmission can be done via _____________?A. A Infrared waves
B. Radio waves
C. Microwaves
D. All of theseWhich one of the following represents a chemical change_________?
Which one of the following represents a chemical change_________?A. Sublimation of iodine
B. Heating a platinum wire in a Bunsen flame
C. Heating of mercuric oxide powder
D. Evaporation of alcoholInflammation of liver is caused by____________?
Inflammation of liver is caused by____________?A. Cholera
B. Hepatitis
C. Typhoid
D. Jaundice