0 123456789101112131415 Science : Ch 04 – Carbon and its Compounds This test is designed based on NCERT Syllabus for Class 10 Topics : Carbon and its Compounds Each time random 15 questions will be displaced So retake the quiz till you have mastered all the questions 1 / 15 Which of he following compounds of carbon does not consist of ions? CHCl3 CaCO3 NaHCO3 Ca2C Carbon always forms covalent compounds by sharing its electrons with other at atoms.The two electrons shared by the atoms are attracted to the nucleus of both the atoms. Carbon always forms covalent compounds by sharing its electrons with other at atoms.The two electrons shared by the atoms are attracted to the nucleus of both the atoms. 2 / 15 Ester is formed by the reaction between: An acid and an alcohol An acid and a base A base and an alcohol An acid and an alkene Reaction between an acid and an alcohol results in the formation of ester, and the reaction is named as esterification. Reaction between an acid and an alcohol results in the formation of ester, and the reaction is named as esterification. 3 / 15 The organic compounds having functional group are known as: Aldehyde Ketone Carboxylic acids Alcohol Carboxylic acids are compounds which contain a group also known as carboxyl group. Carboxylic acids are compounds which contain a group also known as carboxyl group. 4 / 15 Cation is formed when: Atom gains electrons Atom loses electrons Proton is lost by the atom Atom shares electrons A cation is formed by loss electrons from the atom of an element which acquires positive charge due to the presence of greater number of protons as compared to that of electrons. A cation is formed by loss electrons from the atom of an element which acquires positive charge due to the presence of greater number of protons as compared to that of electrons. 5 / 15 The number of covalent bonds in the molecule of ethane. 4 7 3 1 6 / 15 The ability of an atom to form bonds with other atoms of the same element. Carbonation Catenation Atom combination Isomerism 7 / 15 Unsaturated hydrocarbon undergoes incomplete combustion and burns with blue fame red fame white fame yellow fame 8 / 15 Ethene is saturated hydrocarbon unsaturated hydrocarbon both 1 & 2 none 9 / 15 The compounds have low melting and boiling points. covalent compounds ionic compounds molecular compounds both 1 & 2 10 / 15 Saturated hydrocarbons contains double covalent bonds three covalent bonds four covalent bonds single covalent bonds 11 / 15 Molecular formula of Methane CH6 CH4 CH5 CH3 12 / 15 The molecular formula of the fourth member of alkane series. C5H10 C4H10 C6H10 C7H10 13 / 15 The next homologue of C2H4 C3H6 C4H5 C3H5 C3H7 14 / 15 The next homologue of C4H6 C5H10 C5H8 C5H5 C5H6 15 / 15 Chemical name of the compound CH3—CH2—CH2—Br 1-Bromo Propane 2-Bromo Propane 3-Bromo Propane 4-Bromo Propane Your score is 0% Restart quiz