Q.1:- The chemical name of ‘Hypo’ commonly used in photography is ?
- Sodium Thiosulphate
- Silver Nitrate
- Sodium Nitrate
- Silver Iodide
Q.2:- Which of the following is a carbonate ore ?
Q.3:- Which one of the following elements shows highest oxidation state ?
Q.4:- Hydrogen peroxide does not act as ?
- An Acid
- Oxidising Agent
- Reducing Agent
Q.5:- Which of the following metals exhibits similarity in properties of Aluminium ?
Q.6:- Which of the following is ferrous alloy ?
- Type Steel
Q.7:- Which of the following is not an ore of Iron ?
- None of these
Q.8:- In manufacture of glass the addition of MnO2 gives ?
- Yellow Colour
- Red Colour
- Violet Colour
- Pink Colour
Q.9:- Which one of the following is the strongest base ?
Q.10:- The elements of group VA are generally known as ?
- Normal elements
- Transition elements
Q.11:- Quartz is a crystalline variety of ?
- Silicon Carbide
- Sodium Silicate
Q.12:- Bleaching powder is obtained by the interaction of Cl2 and ?
- Dilute solution of Ca(OH)2
- Dry Cao
- Concentrated solution of Ca(OH)2
- Dry slaked lime
Q.13:- Which of the following is not chalcogen ?
Q.14:- Bleaching action of SO2 is due to ?
Q.15:- Which one of the following formed from sea water ?
Q.16:- Bromine gas turns starch iodine paper ?
Q.17:- The noble gas used for treatment of cancer is ?
Q.18:- Noble gases are ?
- All of the above
Q.19:- Which one of the following is not an essential micronutrient for plants ?
Q.20:- Which of the following is not a noble gas ?
Q.21:- A mixture of Naphthalene and Benzoic acid can be separated by ?
- Fractional Crystallisation
Q.22:- A mixture of water and NaCl can be separated by ?
Q.23:-The common name of propanone is ?
- Dimethyl Ketone
- Ethyl Methyl Ketone
- Diethyl Ketone
Q.24:- Knocking sound is produced in the engine when the fuel contains ?
- Lubricating oil
- Straight chained hydrocarbon
- Iso-Carbon atoms
Q.25:- The presence of unsaturation in an organic compound can be tested with ?
- Schiff’s reagent
- Tollen’s reagent
- Fehling’s solution
- Baeyer’s reagent