Chemistry-10th-Objective.pdf

Model Paper Chemistry Paper – X ‫ابوا دا ہ د ۔‬ ‫ ف‬، ‫ردا ےد‬ ‫ال‬ ‫۔‬1 ‫۔‬ ‫ل‬...

Model Paper Chemistry Paper – X ‫ابوا دا ہ د ۔‬ ‫ ف‬، ‫ردا ےد‬ ‫ال‬ ‫۔‬1 ‫۔‬ ‫ل‬ ‫ر ا‬ ‫ر‬ ( ) ‫۔دا وں‬2 ‫ر ۔‬ ‫اب‬ ‫زا دا ے‬ ‫۔ اب ا‬3 Time Allowed: 15 Minutes SECTION – A Marks : 12 The concentration of products will 1 be higher when Kc is equal to …… 102 1030 10-30 1 ‫ت ار زز دہ ز دہ ؟‬ Kc Which one is mono protic acid? 2 H2SO4 H3PO4 HCl H2CO3 ‫اب ؟‬ ‫ا‬ NaHCO3 is a …….salt. Acidic Basic Neutral Ampoteric 3 ‫؟‬ NaHCO3 ‫ا‬ ‫ا‬ ‫وا‬ ‫دو ى‬ Which is the general formula of 4 Alkyle Radical? CnH2n+2 CnH2n CnH2n-2 CnH2n+1 ‫؟‬ ‫لر‬ ‫ا ر‬ The next homologue of C7H16 is …. 5 C6H14 C8H18 C9H20 C10H22 ‫گ ۔‬ ‫ ا‬C7H16 Which of the given are saturated Alkanes Alkenes Alkynes Alkyl 6 hydrocarbons? َ ‫؟‬ ‫ہ رو ر‬ ‫ا‬ ِ‫ا‬ ‫ا‬ ‫ا‬ Which one is monosaccharide? Maltose Sucrose Fructose Lactose 7 ‫؟‬ ‫را‬ ‫ا‬ ‫ان‬ ‫ز‬ ‫وز‬ ‫ز‬ ‫ز‬ Which vitamin is known as 8 calciferol? A B C D ‫؟‬ ‫ول‬ ‫و‬ ‫ان‬ Which layer of atmosphere is called Troposphere Stratosphere Mesosphere Thermosphere 9 ozonosphere? ‫؟‬ ‫اوزو‬ ‫ہ ا‬ ‫و‬ ‫و‬ Normal rain water is slightly acidic due to pressure of ……. 10 ‫ڑا ا‬ ‫د و‬ ‫م رش‬ SO2 NO Co2 HNO3 ‫؟‬ What is the cause of temporary 11 hardness of water? Ca(HCO3)2 CaCl2 CaSO4 MgCl2 ‫؟‬ ‫ر‬ ‫ا‬ ‫ان‬ Blister copper is …..form of copper. Pure Impure Raw Refined 12 ‫؟‬ ‫م‬