TRANSITION ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The property of paramagnetism is due to the presence of ______ electrons. (unpaired) (ii) MnO4–1 ion has ______ colour and Cr2O7–2 has _____ colour. (purple, orange red) (iii)…
GROUP VIIA & GROUP VIIIA ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The halogen with the highest electronegativity is __________. (Fluorine) (ii) HI is _________ agent. (reducing agent) (iii) The only halogen acid which is not…
GROUP VA & GROUP VIA ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) The elements ________ of group VA are called metalloids. (Arsenic and Antimony) (ii) In Birkeland and Eyde’s process is prepared from atmospheric oxygen and…
GROUP IIIA & GROUP IVA ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) ________ acid has the chemical formula HBO2. (Metaboric acid) (ii) Aluminium normally occurs as_________ minerals found in the rocks of outer portion of the…
s-BLOCK ELEMENTS FILL IN THE BLANKS Q.01: Fill in the blanks: (i) Alkali metals are _______ reactive than alkaline-earth metals. (more) (ii) Alkali metals decompose water vigorously producing ________ and hydrogen. (metal hydroxide) (iii) When heated in a current of…
PERIODIC CLASSIFICATION OF ELEMENTS AND PERIODICITY FILL IN THE BLANKS Q.01: Fill in the blanks: (i) Mendeleev in his periodic table, arranged the elements according to their atomic ___. (mass) (ii) Vertical columns in modern periodic table are called _________…
This is chapter-wise collection of important MCQs, short questions and long questions from Chemistry-12, selected from previous eigth (8) years board papers of all Punjab & AJK boards. NOTE: Consult these question banks, and give yur feedback to improve our…
Full Book Tests Full book tests follow the paper scheme of annual exams 2022. More papers will be added according to the new scheme for 2023 exams. NOTE: Give your honest opinion about the papers you have used. Please inform…
Half Books Tests: These are 85 marks full length tests. They follow the paper scheme of 2022 annual examination. Here are download links for the Tests: Half Book Tests First half-Book (Ch=1+2+3+4+5+6+15+16) Second Half-Book (Ch=7+8+9+10+11+12+13+14) NOTE: Give your honest opinion…
Two Chapter Combination Tests: This series comprises two chapter combined tests. This includes five different combinations which are in accordance with the paper scheme of 2022 annual examination. These five combinations with their respective tests are: Combination: 1+3 Combination: 2+6…