Punjab 12th Class Chemistry Chapter 3 Group III-A and Group IV-A Elements MCQs Test Online Punjab 12th Class Chemistry Chapter 3 Group III-A and Group IV-A Elements MCQs Test Online 1234567891011121314151617181920Show paginator Hide paginator Question 1 of 20Chemistry 1. Tincal is a mineral of:1.C2.Al3.B4.SiQuestion 1 of 20Question 2 of 20 2. orthoboric acid when heated to red hot gives1.Boric anhydride2.metabolic acid 3.PS roboric acid 4.tetraboric acidQuestion 2 of 20Question 3 of 20 3. Chemical composition of colemanite is: 1.CaNaB5O9.8H2O2.Ca2B6O11.5H203.Na2B4O7.4H2O4.CaB4O7.4H20Question 3 of 20Question 4 of 20 4. Aluminium oxide is:1.basic oxide2.acidic oxide3.amphoteric oxide4.none of theseQuestion 4 of 20Question 5 of 20 5. The chief ore of aluminium is:1.Al2032.Al2O3.2H203.Al203.H204.Na3A1F6Question 5 of 20Question 6 of 20 6. Boric acid cannot be used:1.as antiseptic in medicine2.for washing eyes3.for enamels and glazes4.in soda bottlesQuestion 6 of 20Question 7 of 20 7. Which one is more stable1.H2B2O22.H3BO33.HBO24.H6B3O9Question 7 of 20Question 8 of 20 8. Which element forms an ion with charge 3+:1.Aluminium2.Silicon3.Carbon4.BerylliumQuestion 8 of 20Question 9 of 20 9. Boric Acid reacts with caustic soda to produce:1.Na2B4072.NaBO23.Na3B034.NaH2B03Question 9 of 20Question 10 of 20 10. Tincal is a mineral of1.Silicon2.Boron3.Al4.CarbonQuestion 10 of 20Question 11 of 20 11. Which metal is used in the thelinite process because of its activity:1.Aluminium2.Copper3.Zinc4.IronQuestion 11 of 20Question 12 of 20 12. Which element among the following belongs to group IVA of the periodic table:1.Barium2.Lead3.Oxygen4.IodineQuestion 12 of 20Question 13 of 20 13. The aqueous solution of borax is1.Acidic2.Neutral3.Corrosive4.Basic Question 13 of 20Question 14 of 20 14. Which is used in the leather industry?1.boric acid2.tetra boric acid3.Borax4.Boric oxideQuestion 14 of 20Question 15 of 20 15. Boric acid cannot be used:1.For enamels and glazes2.For washing eyes3.An antiseptic in medicine4.In soda bottlesQuestion 15 of 20Question 16 of 20 16. The compound which forms bead in Borax bead test is:1.Metal oxide2.Metal borate 3.Metal boride4.Metal meta borateQuestion 16 of 20Question 17 of 20 17. Which of the following elements is not present abundantly in earth's crust?1.Silicon2.Aluminium 3.Oxygen4.Sodium Question 17 of 20Question 18 of 20 18. In Borax Bead Test, colour of Cupric borates are1.Colourless2.Blue3.Red4.GreenQuestion 18 of 20Question 19 of 20 19. Which electronic configuration corresponds to an element of group IIIA of the periodic table:1.1s2, 2s2, 2s6, 3s2, 3p12.1s2, 2s2, 2s6, 3s2, 3p6, 4s23.1s2, 2s2, 2s64.1s2, 2s2, 2s6, 3s2, 3p3Question 19 of 20Question 20 of 20 20. The metal which does not give borax bead test is1.Cu2.Ni 3.Al4.CrQuestion 20 of 20 Loading... Test By Subject Punjab Test By Topics 12th Class Chemistry You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.