Q.1:- The degree of dissociation of an electrolyte depends on ? [
SSC Exams 2013]
- Atmospheric Pressure
- Method of Dissolution
- Dilution
- Impurities
Q.2:- When a few typical solutes are separated by a particular selective membrane, such as protein particles from blood corpuscles, the process is called ?
- Exosmosis
- Dialysis
- Transcription
- Endosmosis
Q.3:- Which one of the following is correctly matched ?
- Aerosol-Smoke
- Foam-Mist
- Emulsion-Curd
- All of the above
Q.4:- Scattering of light takes place in ?
- Electroplating
- Electrolysis
- Solutions of Electrolyte
- Colloidal Solution
Q.5:- When river water meets sea water delta formation takes place. It is due to the phenomenon of ?
- Dialysis
- Coagulation
- Electrophoresis
- Absorption
Q.6:- Out of the following which one is an example of emulsion ?
- Soap Solution
- Milk
- Blood
- Air
Q.7:- The most abundant element of earth crust is ?
- Hydrogen
- Oxygen
- Silicon
- Carbon
Q.8:- An important constituent of Amalgam is ?
- Al
- Ag
- Hg
- Mg
Q.9:- Which one of the following statements is correct ?
- Liquid Sodium is employed as a coolant in nuclear reactors
- Calcium Carbonate is an ingredient of tooth paste
- Bordeaux mixture consists of Sodium Sulphate and Lime
- Zinc amalgams are used as a dental filling
Q.10:- Alloy is an example of ?
- Gel
- Aerosol
- Solid Sol
- Emulsion
Q.11:- Zone refining is a method to obtain ?
- High temperature
- Ultrapure oxides
- Ultrapure metals
- All of these
Q.12:- An important ore for Iron is ?
- Pitch Blende
- Galena
- Malachite
- Haematite
Q.13:- Which of the following is used in thermometer ? [JSS 2015 Exam]
- Zinc
- Lead
- Mercury
- Tin
Q.14:- Which of the following is a Fluoride Mineral of Aluminium ?
- Felspar
- Cryolite
- Mica
- Porcels
Q.15:- The colour of Iodine Solution is discharged by shaking it with aqueous solution of ?
- Sodium Sulphate
- Sodium Sulphite
- Sodium Thiosulphate
- Sulphuric Acid
Q.16:- On strongly heating Copper Nitrate, we get ?
- Copper Metal
- Cuprous Oxide
- Cupric Oxide
- Copper Sulphate
Q.17:- The mixture of MgCl2 and MgO is called ?
- Pseudo Alum
- Sorel’s Cement
- Portland Cement
- Alum
Q.18:- Nitrolim is a mixture of ?
- CaCN2 and N2
- CaCN2 and Graphite
- CaC2 and Graphite
- Ca(CN)2 and Graphite
Q.19:- Which of the following alkaline earth metal shows properties similar to Al ?
- Ca
- Be
- Ba
- Sr
Q.20:- Which of the following ion is diamagnetic here ?
- Cu+
- Zn2+
- Sc3+
- All of these
Q.21:- The element with electronic configuration 3d54s1 is ?
- Metalloid
- Non-Metal
- Transition Metal
- Noble Gas
Q.22:- The green colour seen in fireworks displays is due to the Chloride Salt of ? [SSC Exams 2015]
- Sodium
- Barium
- Calcium
- Strontium
Q.23:- Iron rusts in the presence of ?
- O2 and N2
- O2 and Moisture
- Moisture only
- O2 only
Q.24:- Best quality steel is manufactured by using ?
- Crucible process
- Electrical process
- Bassemer’s process
- Simenes Martin’s Method
Q.25:- Lanthanides and actinides resemble in ?
- Oxidation state
- Ionization energy
- Formation of complexes
- Electron configuration