CBES Board Class 9 MCQ Quiz Hub

Solutions Multiple Choice Questions CLASS 9

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1. Bypassing hydrogen gas through vegetable oil it is converted in to




2. Fog is a solution to




3. To prepare ammonia gas the gaseous mixture of




4. The solution of copper and zinc forms




5. The number of moles of solute dissolved per dm3 of the solution is




6. A mixture that has a uniform composition throughout is called




7. The solution of mercury with other metals is called




8. Solubility is the amount of solute dissolved in




9. At a particular temperature the solution which cannot dissolve more solute is called




10. Commercially concentrated HCl is




11. olid solutions of metals are called




12. The mass of NaOH present per dm3 of 0.25M NaOH solution is




13. In solutions the particles are




14. The concentration of a dilute solution is




15. In amalgams the solvent is




16. The substance present in a lesser amount in solution is




17. When the tiny particles of a substance are dispersed through a medium then the mixture is called




18. The particle size in suspension is




19. The molarity of solution which contains 40 g urea dissolved in 500cm3 is




20. An unsaturated solution




21. The concentration of the solution is the quantity of




22. Colloids can




23. When NaCl is dissolved in water the negative end of water molecules is attracted towards




24. Solutions that contain solid solutes in liquid solvents are called




25. The solubility of Na2SO4




26. In the presence of crystals of solute a supersaturated solution is




27. Mass of solute dissolved in 100g of a solution refers to




28. The methanol and water are




29. In the air the nitrogen gas acts as




30. The only liquid metal at room temperature is