Q.1:- Bell metal is an alloy of ?
- Cu + Sn
- Cu + Zn
- Cu + Ni
- Cu + Pb
Q.2:- Aluminium salt commonly used to stop bleeding is ? [SSC Exams 2015]
- Aluminium Chloride
- Aluminium Nitrate
- Aluminium Sulphate
- Potash Alum
Q.3:- Which of the following is a Carbonate Ore ?
- Horn Silver
Q.4:- Cement does not contain ?
Q.5:- The chemical name of Plaster of Paris is ? [BSSC Exam 2015]
- Calcium Chloride
- Calcium Nitrate
- Calcium Sulphate Hydrate
- None of these
Q.6:- The man-made transition element is ?
Q.7:- Which one among the following does not wet the walls of the glass vessel in which it is kept ? [NDA Exam 2015]
Q.8:- Which alloy can have Iron also ?
- Monel Metal
- Aluminium Bronze
Q.9:- The nature of aqueous solution of FeCl3 is ?
Q.10:- The highest oxidation state is shown by ?
Q.11:- Iron is manufactured from the ore ?
Q.12:- Which of the following does not show variable oxidation states ?
Q.13:- Wrought Iron is ?
- Iron mixed with 0.1 to 0.2% Carbon
- Cast Iron
- Alloy of Steel
- Impure Sulphide Mineral
Q.14:- The isotope of Hydrogen which is radioactive is ?
- Para Hydrogen
- Nascent Hydrogen
Q.15:- High dipole moment of water (1.03 D) justifies that ?
- It is not a linear molecule
- It has higher density than ice
- It is neutral towards litmus
- It is a universal solvent
Q.16:- Water is a / an ?
- Acidic Oxide
- Basic Oxide
- Amphoteric Oxide
- Neutral Oxide
Q.17:- Water is an excellent solvent because its molecules are ? [SSC (Stenographer) Exam 2014]
- Highly Polar
- Light Weight
Q.18:- Amphoteric oxide is / are ?
Q.19:- Dry ice is the solid form of ? [SSC (LDC) Exams 2015]
- Carbon Dioxide
Q.20:- The element which shows least metallic character is ?
Q.21:- Carbon reacts with metal to form ?
Q.22:- The inert form of Carbon is ?
Q.23:- Formula of tear gas is ?
- None of the above
Q.24:- Ultra Silicon is prepared by the process of ?
- Zone Refining
- Fractional Distillation
Q.25:- Sugar of lead is ?