Chemistry An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a : Battery Power transmittor Generator Uninterrupted power supply (UPS) Battery Power transmittor Generator Uninterrupted power supply (UPS) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mixture can be Heterogeneous Pure substance Homogeneous Both A and B Heterogeneous Pure substance Homogeneous Both A and B ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Increases Decreases Remains unchanged Does not follow a definite pattern Increases Decreases Remains unchanged Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Antarctica India Europe Africa Antarctica India Europe Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon oxide Calcium carbide Silicon carbide Calcium oxide Silicon oxide Calcium carbide Silicon carbide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene ANSWER DOWNLOAD EXAMIANS APP
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