1. The blue complex formed on addition of conc. NH4OH
solution to a Cu2+ salt solution has the s tructure?
(a) [Cu(NH4)4]2+ (b) [Cu(NH3)2]2+
(c) [Cu(NH3)4]2+ (d) [Cu(NH4)2]2+
2. Sodium thiosulphate is used in photography to
(a) Reduce silver bromide to silver
(b) Convert metallic silver to silver salt
(c) Remove and decompose AgBr as a soluble silver
thiosulphate complex
(d) Remove reduce silver
3. The black compound formed during the reaction between
sodium thiosulphate and silver nitrate is
(a) Silver thiosulphate (Ag2S2O3)
(b) Silver sulphide (Ag2S)
(c) Sliver sulphate (Ag2SO4)
(d) Silver sulphite (Ag2SO3)
4. Parke’s process is used
(a) To extract Ag using NaCN
(b) To extract Cu using CuFeS2
(c) To extract Ag from argentiferrous lead
(d) To extract Ag by forming amalgam
5. The lanthanides contraction is responsible for the fact that
(a) Zr and Y have about the same radius
(b) Zr and Nb have similar oxidation state
(c) Zr and Hf have about the same radius
(d) Zr and Zn have the same oxidation state
6. Which of the following element is responsible for oxidation of
water of O2 in biological process?
(a) Fe (b) Mn
(c) Cu (d) Mo
7. In order to prepare one litre normal solution of KMNO4, how
many grams of KMNO4 are required if the solution is to be
used in acidic medium for oxidation?
(a) 158 g (b) 62.0 g
(c) 31.6 g (d) 790 g
8. The alloy best suited for making metre scales is
(a) Stainless steel (b) Invar
(c) Alnico (d) Tungsten steel
9. Molecular formula of corrosive sublimate is
(b) H (b) Hg2Cl2
(d) HgS (d) HgCl
10. Wrought iron :
(a) Pure iron with 0.1 to 0.2% C
(b) Pig iron
(c) An alloy of steel
(d) Impure sulphide ore iron
11. In the manufacture of iron from haematite, limestone is
added to act as :
(a) Flux (b) Slag
(c) A reducing agent (d) An oxidizing agent
12. An extremely hot copper wire reacts with steam to give
(a) CuO (b) Cu2O
(c) Cu2O2 (d) CuO2
13. Copper displaces which of the metal from their salt solution?
(a) AgNO3 (b) ZnSO4
(c) FeSO4 (d) All of these
14. The colour of FeSO4.(NH4)2SO4.6H2O is
(a) Red (b) White
(c) Blue (d) Green
15. A white solid halide of mercury forms a black mixture
NH4OH. The halide is
(a) HgCl2 (b) HgCl2
(c) Hg2Cl2 (d) Hg2Cl2
16. Spelter is
(a) Impure Cu (b) Impure Zn
(c) ZnO (d) CuO
17. 18 carat gold contains
(a) 18% Gold (b) 24% Gold
(c) 75% Gold (d) 60% Gold
18. Colourless solutions of the following four salts are palced
separately in four different test tubes and a strip of copper is
dipped in each one these. Which solution will turn blue?
(a) KNO3 (b) AgNO3
(c) Zn(NO3)2 (d) ZnSO4
19. Which of the following is used in the preparation of chlorine?
(a) Only MnO2 (b) Only KMnO4
(c) Both MnO2 and KMnO4 (d) Either MnO2 or KMnO4

2 years ago

Share

Answers : (1)

                                        
Answers :

1. b
2. a
3.Silver thiosulphate
4.To extract Ag from argentiferrous lead
5.Zr and Hf have about the same radius
6. Fe
7. 62 gm
8. Steel
9. Hg Cl2
10.Pure iron with 0.1 to 0.2% C
11. c
12. d
13. ZnSO4
14. Green
15. d
16. impure zinc
17. 75% gold
18.a
19. only MnO2


Thank You
Ruchi
Askiitians Faculty
5 months ago

Post Your Answer

More Questions On Inorganic Chemistry

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
How do we know that the Wave electromagnetic model of Atom is correct?
 
 
proff of wave behabiour of atom we can show the wave-particle duality for photons and electrons with the famous split slit experiment most of us encounter in HS lab. Here we can show the...
  img
Sunil Kumar FP 26 days ago
nacl ionic or covalent
 
 
ionic
 
mohit yadav one year ago
 
The bond present in NaCl is ionic.Because there is a complete transfer of elctrons from on atom to another i.e Na gives its one valance electron to Cl atom to from ionic bond.
 
Khandavalli Satya Srikanth one year ago
 
it is ionic because it is made up of alkali metal(can lose e- easily) and halogen(can take a e- easily).
 
lokesh soni 6 months ago
A body travels 10 m along north, 5 m along west, 5 m along south and 5 v2 m along south east. The net displacement of the body is 5 v2 m (5+5 v2 ) m (20+5 v2) m zero
 
 
The given figure shows the path traversed by the body. Here it is evident that the net displacement is zero because the starting and ending points are the same. The net displacement of the...
  img
Vasantha Kumari 4 months ago
 
Regards, Nirmal SIngh Askiitians faculty
  img
Nirmal Singh. 4 months ago
 
  img
Vasantha Kumari 4 months ago
sdfadfa
 
How to convert ethyne to ethane?
 
 
Hydrogentaion of ethyne by raney nickel (H2/Ni) will give ethane.
 
Shivam 16 days ago
 
`by heating
 
neelesh gautam 17 days ago
I just want a book which makes me able to crack iit jee main and advance in chemistry …. please help me quickly ,.. which book i shoul buy …???
 
 
best books for chemistry(jee main and advance) physical- p bahadur and optandon inorganic-jdlee and optandon organic-morrison boyd and arihant publication
  img
Sunil Kumar FP one month ago
How to find a Molucular formula of a gas using Euidometry? 1) 20ml of gas containing H and S was heated with tin. When reaction was over, no change in volume was observed. Hydrogen was the...
 
 
Eudiometry:-Eudiometry means gas analysis. It means in this type of numericals either you have to find out vol. of GAS From the data given in question or you have to find out any other thing...
  img
Sunil Kumar FP 28 days ago
View all Questions »