Carbon and its compound Class 10 What is the valency of carbon (A) Pentavalent (B) Divalent (C) Tetravalent Continue >> Which was the first organic compound prepared in the laboratory? (A) Ammonoium chloride (B) KCNO (C) Urea Continue >> Activated charcoal is used in sugar industry as a: Dehydrating agent Reducing agent Decolorizing agent Continue >> After carbon, which among the following element shows catenation to the maximum extent? (C) P (A) Si (B) S Continue >> Which among the following will contain covalent double bond between its atoms? (A) H2 (C) N2 (B) O2 Continue >> Which allotropes of carbon act as solid lubricant? Diamond Graphite Fullerene Continue >> Vinegar is a solution of 5% – 8% acetic acid in alcohol 50% – 60% acetic acid in alcohol 5% – 8% acetic acid in water Continue >> Which allotope of carbon has football shape? diamond graphite fullerene Continue >> Which of the given has a triple bond? (C) Nitrogen molecule (B) Oxygen molecule (A) Hydrogen molecule Continue >> A chemical bond formation that involves the complete transfer of electrons between atoms is (B) covalent bond (A) ionic bond (C) metallic bond Continue >> At least one double bond is present in ----- Alkene Alkane Alkyne Continue >> Which allotrpe of carbon is synthetic? Diamond Fullerene Graphite Continue >> C6H6 is the molecular formula of Benzene Cyclohexane Cyclohexe Continue >> Which one is not the property of ethanol It is heavier than water It is volatile liquid It is colourless Continue >> Name the type of bond formed due to mutual sharing of electrons between two atoms- (B) Covalent (C) Ionic (A) Coordinate Continue >> The core of the pencil is made from which of the following element? (C) Lead (A) Silicon (B) Carbon Continue >> In diamond, each carbon atom is bonded to --- other carbon atoms. (B) 2 (C) 4 (A) 3 Continue >> How many carbons in Buckminister fullerene 50 60 63 Continue >> In graphite, each carbon atom is bonded to --- other carbon atoms. 3 Carbon 2 carbon 4 Carbons Continue >> The number of bonds formed by carbon with an atom of a divalent element is (A) one (B) two (C) three Continue >> Diamond is not a good conductor of electricity because It is very soft It has no free electrons to conduct electric current It is not soluble in water Continue >> Main constituent of gobar gas is------ methane ethane Butane Continue >> Main constituent of LPG gas is------ butane ethane methane Continue >> Get More Quiz Your first name : Your email address : Show my results >> Please share this quiz to view your results . Facebook Toggle embed code Powered by WP Quiz Pro PLAY AGAIN !