Chemistry Tests of Graduation Chemistry (Graduation) Tests 186 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemistry (Graduation) Quiz 1 / 25 Which of the following is abundant alkaline earth metal:- Sr Ca Be Mg 2 / 25 By sandwich ELISA all these are determined except:- Tumor markers Biotin Hormones Polystyrene 3 / 25 The pK of an acid:- Reflects the pH of a solution all of the above is an indicator of strength of the buffer Signifies the buffering capacity of solution 4 / 25 Aluminium hydroxide Al(OH)3 is:- A base An acid An explosive hydroxide An amphoteric hydroxide 5 / 25 Which techniques are hyphenated in HPLC/LC:- LC-IR All of the above LC-NMR LC-MS 6 / 25 Lewis concept explain the formation of:- Ionic bond H-bond Coordinate bond Covalent bond 7 / 25 Perdisulphuric acid is:- None of the above Marshal acid H-acid Caro acid 8 / 25 The substances which are added to the soil to provide necessary elements for growth are called:- Pesticides Growth regulator Fertilizers Hormones 9 / 25 Sulfuric acid shows _____ properties:- basic both of these none of these acidic 10 / 25 Which of the following is the mineral of Al:- Feldspar Mica Bauxite All above 11 / 25 Hygroscopic chemicals can be used as:- primary and secondary standards None of the above secondary standards primary standards 12 / 25 The pentose phosphate pathway serves as a source for each of the following except:- 6- phosphogluconic acid ATP NADPH Ribose -5- phosphate 13 / 25 Which cell is used to produced electricity from chemical reactions:- none of the above galvanic cell fuel cell electrolytic cell 14 / 25 Which oxide is neutral as well as toxic:- CO CO2 pbO SnO 15 / 25 Glucose and fructose react with which reagent to give same product:- Hydroxyl amine Tollen's reagent Phenyl hydrazine all of these 16 / 25 ______ interfere with the binding of the substrate to the active site:- Apoenzymes Non-competitive inhibitor Competitive inhibitor Allosteric enzymes 17 / 25 Lime water is an aqueous solution of:- CaSO4 Ca(OH)2 MgSO4 CaCO3 18 / 25 Aqua regia is made by dissolving a mixture of HNO3 and HCl with ratio:- 1 : 3 1 : 4 1 : 1 1 : 2 19 / 25 Ca + H2 →. In this reaction dihydrogen act as____:- oxidizing agent Both of these Reducing agent None of these 20 / 25 Ketosis is partly attribute to increase _____ utilization:- lipids Protein Carbohydrates fat 21 / 25 The number of hydrogen bond holding A-T pair is:- 2 4 1 3 22 / 25 Enzymes are complex ____ compounds:- All of these Bacterial living non living 23 / 25 Which element have highest value of electron affinity:- O Se S Te 24 / 25 The dielectric material in the electrical and electronics industry:- Rubber All of the above Polymer plastic 25 / 25 Which halogen is used for the sterilization of drinking water:- Iodine Fluorine Bromine Chlorine Your score is LinkedIn Facebook Twitter VKontakte Restart quiz Subscribe our Channel Here
