MDCAT Chemistry Chapter 10 Groups Online Test With Answers

MDCAT Chemistry Chapter 10 Groups Online Test

Sr. # Questions Answers Choice
1 Fluorine is largely used in rocket fuels making Teflon making freon All
2 Which noble gas is used in mixture used for breathing by divers? Ge Ar Kr He
3 Which compound gives carbon when heated with conc. H2SO4. Starch Ethyl alcohol Oxalic acid Formic acid
4 The reaction between Cu and conc. H2SO4 produces Cu+2 SO<sub>2</sub> SO<sub>3</sub> H<sub>2</sub>
5 Which of the following compounds is not known? SbCl NCl3 Nl3 NCl5
6 Which element of group V-A and VII-A does not use d-orbital? Nitrogen Sulphur Arsenic Chlorine
7 Which one of the following doesn't exhibit allotropy? Bi As N P
8 Which pair of following pair is metalloid? Antimony and bismuth Phosphorous and arsenic Nitrogen and phosphorous Arsenic and antimony
9 Which of the following elements is most metallic Bi sb As P
10 The element which exhibits maximum catenation property is C Pb Ge Sn
11 Elements of group IV-A are neither strongly electropositive nor strongly electronegative strongly electropositive strongly electronegative none of these
12 The general electronic configuration of group IV-A elements is ns2, np6 ns2, np4 ns2, np3 ns2, np2
13 What is the formula of silica? Si2O3 SiO2 Si3O4 SiO-
14 What is name of hydrated variety of quartz? Rose quartz Smokey quartz Silica Opal
15 About 25% of earth crust mass is made up of element Oxygen Silicon Aluminium Aluminates
16 What is the formula of talc or soapstone? Na2B4O7.10H2O H2Mg3(SiO3)4 Cu2S NaNO3
17 What is the formula of magnesite? PbS MgSO4. 7H2O MgCO3 CaCO3
18 What is the formula of dolomite? CaMg3 (SiO3)4 MgCO3 MgCO3.CaCO3, MgSO4
19 Which is not mineral of AI? Diaspore Corrundam Bauxite Galena
20 Formula of sodium beryllite is Na2B4O7 Na2BeO2 BeONa Na2B4O7 .10 H2O
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