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 Carbon exists in the atmosphere in the form of: Only carbon monoxide Carbon monoxide in traces and carbon dioxide Only carbon dioxide Coal Only 0.03% of atmospheric air contains carbon in the form of carbon dioxide. The natural concentration of carbon monoxide in the air is around 0.2 parts per million (ppm). Only 0.03% of atmospheric air contains carbon in the form of carbon dioxide. The natural concentration of carbon monoxide in the air is around 0.2 parts per million (ppm). 2 / 15 Which of the following is the molecular formula of cyclobutane? C<sub>4</sub>H<sub>10</sub> C<sub>4</sub>H<sub>6</sub> C<sub>4</sub>H<sub>8</sub> C<sub>4</sub>H<sub>4</sub> Cyclobutane is a cyclic hydrocarbon consisting of four carbon atoms where each carbon atom is attached to the two other carbon atoms and two hydrogen atoms. Cyclobutane is a cyclic hydrocarbon consisting of four carbon atoms where each carbon atom is attached to the two other carbon atoms and two hydrogen atoms. 3 / 15 A saturated hydrocarbon undergoes complete combustion and burns with blue flame red flame orange flame white flame 4 / 15 Ethane is saturated hydrocarbon unsaturated hydrocarbon both 1 & 2 none 5 / 15 Unsaturated hydrocarbon undergoes incomplete combustion and burns with blue fame red fame white fame yellow fame 6 / 15 Ethene is saturated hydrocarbon unsaturated hydrocarbon both 1 & 2 none 7 / 15 The compounds formed by the sharing of electron pairs between two atoms. covalent compounds ionic compounds both 1 & 2 none 8 / 15 The strong electrostatic interactions between ions formed by the transfer of electrons covalent compounds ionic compounds 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 UnSaturated hydrocarbons contains double/triple covalent bonds single covalent bonds four covalent bonds five covalent bonds 12 / 15 The name of the fourth member of alkane series. ethyene pentane Butane ethene 13 / 15 The molecular formula of the fourth member of alkane series. C5H10 C4H10 C6H10 C7H10 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