Chemistry Curd is sour due to presenceof Acetic acid Tartaric acid Lactic acid Oxalic acid Acetic acid Tartaric acid Lactic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They contain mainly carbon and hydrogen They have low melting and boiling points They are not easily combustible They do not dissolve in water They contain mainly carbon and hydrogen They have low melting and boiling points They are not easily combustible They do not dissolve in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Semiconductors Transistors Solar energy devices All of these Semiconductors Transistors Solar energy devices All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Tetraphenyl ethylene Biphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Tetraphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d A and c A and b B and c C and d A and c A and b B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon dioxide Carbon monoxide Smoke Sulphur dioxide Carbon dioxide Carbon monoxide Smoke ANSWER DOWNLOAD EXAMIANS APP
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