2024 NABTEB CHEMISTRY: 2024 NABTEB Chemistry Questions and Answers (4654)
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NABTEB CHEMISTRY OBJ:
01-10:CBABCDBCDA
11-20:CDDBAACDBC
21-30:BCBACABABA
31-40:CABBDDBAAC
41-50:DBBBDABCDC
Welcome to official 2024 Chemistry NABTEB answer page. We provide 2024 Chemistry NABTEB Questions and Answers on Essay, Theory, OBJ midnight before the exam, this is verified & correct NABTEB Chems Expo. NABTEB Chemistry Questions and Answers 2024. NABTEB Chems Expo for Theory & Objective (OBJ) PDF: verified & correct expo Solved Solutions, 2024 NABTEB Chemistry Questions and Answers. 2024 NABTEB EXAM Chemistry Questions and Answers
(1ai)
Rate of reaction is the speed at which a chemical reaction takes place.
(1aii) (Pick 3)
=Temperature
=Pressure
=Surface area of reactants
=Catalyst
(1bi)
-Urea
-Ammonium nitrate
-Ammonium sulfate
(1biii)
Slowly add concentrated sulphuric acid (H2SO4) to the unknown solution such that the acid added forms a layer below the aqueous solution. Result – A ring brown in color will be formed at the junction of the 2 layers. This indicates the presence of nitrate ion.
(2ai)
Graphite = used in making pencils
Diamond = used as abrasives
(3ai) Electrolysis, process by which electric current is passed through a substance to effect a chemical change.
(3bi)
Faraday's First Law of Electrolysis states, that during electrolysis, the amount of chemical reaction which occurs at any electrode under the influence of electrical energy is proportional to the quantity of electricity passed through the electrolyte.
Welcome to official 2024 Chemistry NABTEB answer page. We provide 2024 Chemistry NABTEB Questions and Answers on Essay, Theory, OBJ midnight before the exam, this is verified & correct NABTEB Chems Expo
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