Chemistry Which of the following is used in making smoke bombs? Sulphur Hydrogen Phosphorus Carbon Sulphur Hydrogen Phosphorus Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Decreases Increases Remains unchanged Does not follow a definite pattern Decreases Increases Remains unchanged Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which gas is most stable at room temperature O2 F2 N2 H2 O2 F2 N2 H2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Transistors Solar energy devices All of these Semiconductors Transistors Solar energy devices All of these Semiconductors ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat energy produced when the human body metabolises 1 gram of fat is 29 KJ 39 KJ 30 KJ 1 KJ 29 KJ 39 KJ 30 KJ 1 KJ ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Potassium chloride Sodium chloride Magnesium sulphate Calcium carbonate Potassium chloride Sodium chloride Magnesium sulphate ANSWER DOWNLOAD EXAMIANS APP
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