Question: B. high electrical conductivity B. 8.0gdne3 C. high density C. 13.6gdman3 D. Low thermal sondoctivity D. 20gdm3 6. The chemical formula of iron (iD) oxide

B. high electrical conductivity B. 8.0gdne3 C. high density C. 13.6gdman3 D. Low thermal sondoctivity D. 20gdm3 6. The chemical formula of iron (iD) oxide is 11. Galactose is a monosaccharide. The molecular formuls of zalsctose is cor What is its empirical formula? A. FilO B. FeO A. CHO C. Fe2O B. CH2O D. FeO2 C. Cithor D. C3H12Os 7. Which of the following substance is a gisen ionic structure? 12. Organic compounds are important is out daily lives, which of the A. Table satt (NaCl) substances is NOI an orgaaic compound? B. Dry ise (CO) C. Ice (H2O) A. HCHO D. Iros (FeC) B. CH4 C. CO2 D. CHiCOOH 8. The exide of a metal M has the formula MO and contuins by a0\% mass of O. What is the relative atumic mass of Mr! 13. Which homologous series does CH2CH3 belong to? A. 40 A Alkano. B. 16 B. Alkene: C. 24 C. Alkanol D. 100 D. Alkanoic acid 9. How many moles of NabiCO, are there in 13g of Naticon? 14. Which of the following is 3eethyh-2-methythept-2-ene? A. 84mol B. 13mol C. 0.069not D. 0.0155mol 10. A CirOor solution has a molariy of 920 mol den. What it its cotconeraica ing dim? A.0.20gdm3

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