Chemistry Which type of fire extinguisher is used for petroleum fire ? Foam type Powder type None of these Soda acid type Foam type Powder type None of these Soda acid type ANSWER DOWNLOAD EXAMIANS APP
Chemistry Setting of plaster of paris involves Reduction process Hydration to form other hydrates Dehydration process Oxidation process Reduction process Hydration to form other hydrates Dehydration process Oxidation process ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Remains unchanged Does not follow a definite pattern Decreases Increases Remains unchanged Does not follow a definite pattern Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/6 1/3 1/4 1/8 1/6 1/3 1/4 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is diamond graphite charcoal coke diamond graphite charcoal coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Rutherford Hund Sommerfeld Thomson Rutherford Hund Sommerfeld Thomson ANSWER DOWNLOAD EXAMIANS APP
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