Chemistry Choose the incorrect statement pertaining to organic compounds They do not dissolve in water They contain mainly carbon and hydrogen They are not easily combustible They have low melting and boiling points They do not dissolve in water They contain mainly carbon and hydrogen They are not easily combustible They have low melting and boiling points ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Nitrogen Oxygen Chlorine Hydrogen Nitrogen Oxygen Chlorine Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Polyester Acrylic None of these Polymer Polyester Acrylic None of these Polymer ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and different atomic mass Different atomic numbers and the same atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry In its reaction with silver nitrate, C2H2 shows Reducing property Oxidising property Basic property Acidic property Reducing property Oxidising property Basic property Acidic property ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used for refrigeration? Sulphur dioxide Phosphine Freon Chlorine Sulphur dioxide Phosphine Freon Chlorine ANSWER DOWNLOAD EXAMIANS APP
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