Chemistry-Objective Related Question Answers
1101. Which enzyme can hydrolyse sucrose?
Invertase
1102. What is cyanocobalamin?
Vitamin B12
1103. Which is a steroid vitamin?
Vitamin D
1104. What is ascorbic acid?
Vitamin C
1105. What is calciferol?
Vitamin D
1106. Which vitamin prevents pellagra?
Niacin
1107. The vitamin present in rice polishing is?
Vitamin B2 RADIO ACTIVITY
1108. What are the three isotopes of hydrogen?
Protium H1; Deuterium H2 and Tritium H3)
1109. The process by which smaller nuclear joins and forms larger nucelus is called?
Fusion reaction
1110. A heavy nucleus breaking up into smaller nuclei of almost equal size is called?
Fission
1111. Artificial Radio Activity was discovered by?
Irene Curie and F. Juliot
1112. Simplest Radioactive atom is?
Tritium
1113. Age of fossils is calculated by?
Radiocarbon dating
1114. Element used in Radiocarbon dating?
Carbon 14
1115. Wine dating is done by?
Tritium
1116. Isotope used for cancer treatment?
Cobalt 60
1117. Angiogram test is done by using?
Sodium 24
1118. Isotope used for the treatment of Leukaemia?
Gold 198
1119. Bone cancer can be diagnosed by using?
Phosphorus 32
1120. Coolants used in nuclear reactor?
Liquid sodium
1121. Moderators used in Nuclear Reactor?
Graphite and Heavy water
1122. Strongest Radioactive element?
Radium
1123. Liquid Radioactive metal?
Francium
1124. Gaseous Radioactive element?
Radon
1125. Unit of Radioactivity?
Bequerrel
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