MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The common name of sulphur is |
| A. | Freon |
| B. | galena |
| C. | lime |
| D. | brimstone |
| Answer» E. | |
| 2. |
The common name of sodium tetraborate decahydrate is _____. |
| A. | epsom salt |
| B. | gypsum |
| C. | Borax |
| D. | galena |
| Answer» D. galena | |
| 3. |
The common name of sodium bicarbonate is _____. |
| A. | baking soda |
| B. | borax |
| C. | bleach |
| D. | epsom salt |
| Answer» B. borax | |
| 4. |
The common name of lead (II) sulphide is |
| A. | borax |
| B. | epsom salt |
| C. | galena |
| D. | brimstone |
| Answer» D. brimstone | |
| 5. |
The common name of hydrogen peroxide is |
| A. | borax |
| B. | bleach (liquid) |
| C. | baking soda |
| D. | gypsum |
| Answer» C. baking soda | |
| 6. |
The common name of dichlorodifluoromethane is _____. |
| A. | galena |
| B. | Freon |
| C. | gypsum |
| D. | borax |
| Answer» C. gypsum | |
| 7. |
The chemical weathering of feldspar produces |
| A. | illite |
| B. | kaolinite |
| C. | both 1 & 2 |
| D. | none |
| Answer» D. none | |
| 8. |
The chemical name of common salt is |
| A. | Calcium Chloride |
| B. | Potassium Chloride |
| C. | Sodium Chloride |
| D. | Magnesium Chloride |
| Answer» D. Magnesium Chloride | |
| 9. |
The Chemical formula of Urea is |
| A. | (NH4)2CO2 |
| B. | (NH2)CO |
| C. | (NH4)2CO |
| D. | (NH2)2CO |
| Answer» E. | |
| 10. |
The chemical makeup of a rock is |
| A. | Nutrients |
| B. | Minerals |
| C. | Metals |
| D. | Water |
| Answer» C. Metals | |
| 11. |
The chemical formula of Sodium Carbonate is |
| A. | Na3CO2 |
| B. | Na2CO |
| C. | NaCO3 |
| D. | Na2CO3 |
| Answer» E. | |
| 12. |
The chemical formula of Propane is |
| A. | C3H8 |
| B. | C4H10 |
| C. | C2H6 |
| D. | CH4 |
| Answer» B. C4H10 | |
| 13. |
The Chemical formula of Methanol is _____. |
| A. | C2H5OH |
| B. | CH3(OH)2 |
| C. | CH3OH |
| D. | CH4OH |
| Answer» D. CH4OH | |
| 14. |
The Chemical formula of Cadmium nitrate is _____. |
| A. | Cd(NO3)2 |
| B. | CdNO3 |
| C. | Cd2(NO3)2 |
| D. | Cd2NO3 |
| Answer» B. CdNO3 | |
| 15. |
The Chemical formula of Ammonium sulphate is |
| A. | NH4SO4 |
| B. | (NH4)2SO3 |
| C. | NH4SO3 |
| D. | (NH4)2SO4 |
| Answer» E. | |
| 16. |
The Chemical formula of Ammonium dichromate is _____. |
| A. | (NHF4)2Cr2O7 |
| B. | (NH4)CrO3 |
| C. | (NH4)Cr2O3 |
| D. | (NH4)2Cr2O3 |
| Answer» B. (NH4)CrO3 | |
| 17. |
The chemical formula of Ammonia is _____ . |
| A. | NH |
| B. | NH1 |
| C. | NH2 |
| D. | NH3 |
| Answer» E. | |
| 18. |
The Chemical formula of Ammonium nitrate is ___________. |
| A. | (NH2)2NO3 |
| B. | NH4NO3 |
| C. | NH4(NO3)2 |
| D. | NH2NO3 |
| Answer» C. NH4(NO3)2 | |
| 19. |
The Chemical formula of Ammonium chloride is ___________. |
| A. | (NH4)2Cl |
| B. | NH4Cl3 |
| C. | NH4Cl2 |
| D. | NH4Cl |
| Answer» E. | |
| 20. |
The Chemical formula of Ammonium oxalate is _____. |
| A. | NH4C2O4 |
| B. | (NH4)2CO4 |
| C. | (NH4)2C2O4 |
| D. | (NH4)2C2O3 |
| Answer» D. (NH4)2C2O3 | |
| 21. |
The Chemical formula of Aluminium Chloride is _____. |
| A. | AlCl |
| B. | AlCl2 |
| C. | AlCl3 |
| D. | Al2Cl3 |
| Answer» D. Al2Cl3 | |
| 22. |
The Chemical formula of Acetic acid is _____. |
| A. | CH3COH |
| B. | CH3COOH |
| C. | CH3COCH3 |
| D. | CH2COOH |
| Answer» E. | |
| 23. |
The bonds in the compound MgSO4 can be described as |
| A. | covalent |
| B. | ionic |
| C. | both A & B |
| D. | None of the above |
| Answer» D. None of the above | |
| 24. |
The carbon tetrachloride molecule (CCl4) is |
| A. | a nonpolar molecule with polar bonds |
| B. | a nonpolar molecule with nonpolar bonds |
| C. | a polar molecule with polar bonds |
| D. | a polar molecule with nonploar bonds |
| Answer» B. a nonpolar molecule with nonpolar bonds | |
| 25. |
The charge on positron is equal to the charge on |
| A. | proton |
| B. | electron |
| C. | alpha- particle |
| D. | neutron |
| Answer» B. electron | |
| 26. |
The bonds in BaO are best described as |
| A. | covalent |
| B. | ionic |
| C. | polar |
| D. | non polar |
| Answer» C. polar | |
| 27. |
The bark of willow tree is a source of which medicine?_x005F_x000D_ |
| A. | Paracetamol |
| B. | Aspirin |
| C. | Antacid |
| D. | Antiseptic |
| Answer» C. Antacid | |
| 28. |
The biogas used for cooking is a mixture of which of the following ? |
| A. | Carbon dioxide & oxygen |
| B. | Isobutane & propane |
| C. | Methane & carbon monoxide |
| D. | Methane & carbon dioxide |
| Answer» E. | |
| 29. |
The bleeding of a wound is stopped by the application of ferric chloride because_____ |
| A. | Ferric chloride seals the blood vessels |
| B. | Blood starts flowing in the opposite direction |
| C. | Blood reacts and a solid is formed which seals the blood vessels |
| D. | Blood is coagulated and the blood vessels are sealed |
| Answer» E. | |
| 30. |
The atoms of the elements which have same number of neutrons are called |
| A. | Isobars |
| B. | Isotopes |
| C. | Isotones |
| D. | None |
| Answer» D. None | |
| 31. |
The atoms of the elements having same mass number but different atomic number are called |
| A. | Isotopes |
| B. | Isobars |
| C. | Isotones |
| D. | Isomers |
| Answer» C. Isotones | |
| 32. |
The atoms of the elements having same difference between mass number and atomic number are called ______. |
| A. | Isobar |
| B. | Isotopes |
| C. | Isotones |
| D. | No option is correct |
| Answer» D. No option is correct | |
| 33. |
The atoms of the elements having same atomic number but different mass number are called |
| A. | Isobar |
| B. | Isotopes |
| C. | Iso electronic |
| D. | Isotones |
| Answer» C. Iso electronic | |
| 34. |
The atoms of Germanium, Arsenic, Selenium and Bromine contain ...... shells. |
| A. | 3 |
| B. | 7 |
| C. | 5 |
| D. | 4 |
| Answer» E. | |
| 35. |
The atomic number of Potassium is 19 and its mass number is 39. The number of neutrons its atom is ............_x005F_x000D_ |
| A. | 19 |
| B. | 39 |
| C. | 20 |
| D. | 58 |
| Answer» D. 58 | |
| 36. |
The atomic number of the atom that becomes stable by gaining 3 electrons in 5th shell is:_x005F_x000D_ |
| A. | 57 |
| B. | 51 |
| C. | 55 |
| D. | 59 |
| Answer» C. 55 | |
| 37. |
The atomic mass of an element depends upon the |
| A. | number of electrons |
| B. | number of protons |
| C. | number of neutrons |
| D. | All of the above |
| Answer» E. | |
| 38. |
The amount of glucose required to prepare 250 g of a 5% solution of glucose by mass is |
| A. | 125 g |
| B. | 12.5 g |
| C. | 50 g |
| D. | 25 g |
| Answer» C. 50 g | |
| 39. |
The amount of BaSO4 formed on mixing an aqueous solution of 2.08 gm of BaCl2 and excess of dilute H2SO4 is ___._x005F_x000D_ (atomic weights : Ba = 137, Cl = 35.5, S = 32, O = 16) |
| A. | 2.33 g |
| B. | 2.08 g |
| C. | 23.3 g |
| D. | 1.04 g |
| Answer» B. 2.08 g | |
| 40. |
The acid used in lead storage cells is |
| A. | Sulphuric acid |
| B. | Nitric acid |
| C. | Hydrochloric acid |
| D. | Phosphoric acid |
| Answer» B. Nitric acid | |
| 41. |
The activity of rradioisotope change with |
| A. | temperature |
| B. | pressure |
| C. | chemical environment |
| D. | None of these |
| Answer» E. | |
| 42. |
The alpha-particles are |
| A. | high energy electrons |
| B. | positively charged hydrogen irons |
| C. | high energy x ray radiations |
| D. | double positively charged helium nuclei |
| Answer» E. | |
| 43. |
The activation energy for the reverse reaction is represented by_x005F_x000D_ _x005F_x000D_ |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 44. |
The absolute zero is a temperature at which _______ |
| A. | molecular motion in a gas would cease |
| B. | water freezes |
| C. | all gases become liquid |
| D. | all gases become solid |
| Answer» B. water freezes | |
| 45. |
Terylene is a condensation polymer of ethylene glycol and which acid? |
| A. | Benzoic Acid |
| B. | Salicylic acid |
| C. | Phthalic acid |
| D. | Terephthalic acid |
| Answer» E. | |
| 46. |
That is the valency of copper in cuprous oxide?_x005F_x000D_ |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 1 |
| Answer» E. | |
| 47. |
Tertiary structure is NOT directly dependent on |
| A. | hydrogen bonds |
| B. | ionic bonds |
| C. | peptide bonds |
| D. | hydrophobic interactions |
| Answer» D. hydrophobic interactions | |
| 48. |
Technically, tempera is paint in which the vehicle is in |
| A. | an emulsion |
| B. | a pigment |
| C. | an impasto |
| D. | a ground |
| Answer» B. a pigment | |
| 49. |
Tertiary sewage treatment is designed to remove |
| A. | Calcium and Phosphorous |
| B. | Nitrogen and Calcium |
| C. | Phosphorous and Nitrogen |
| D. | Calcium and Nitrogen |
| Answer» D. Calcium and Nitrogen | |
| 50. |
TEL minimise the knocking effect when mixed with petrol, it acts as_______ |
| A. | Positive catalyst |
| B. | Negative catalyst |
| C. | Auto catalyst |
| D. | Induced catalyst |
| Answer» C. Auto catalyst | |