Which among the following metals is used for galvanization? [A] Zinc [B] Copper [C] Silver [D] Iron
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Zinc
Which of the following gases is heavier than oxygen? [A] Ammonia [B] Methane [C] Helium [D] Carbon dioxide
Which of the following is the process of loosing electrons? [A] reduction [B] oxidation [C] both oxidation and reduction [D] radiation
Most liquids that conduct electricity are solutions of acids, base and which of the following? [A] Aluminium [B] Copper [C] Iron [D] Salts
Which does the gas turn lime water milky? [A] Oxygen [B] Hydrogen [C] Carbon Dioxide [D] Carbon Monoxide
Due to which of the following acids, Milk tastes sour when kept in the open for sometime? [A] Lactic Acid [B] Citric Acid [C] Acetic Acid [D] Carbonic Acid
Which two elements are combined to form candles? [A] Paraffin Wax and Stearic Acid [B] Bees Wax and Stearic Acid [C] Higher Fat Acids and Stearic Acid [D] Bees Wax and Paraffin Wax
Which one of the following forms the chief constituent of Vinegar? [A] Formic acid [B] Acetic acid [C] Salicylic acid [D] Oxalic acid
Which particle is the most essential component to continue the chain reaction during the uranium fission? [A] Electron [B] Proton [C] Neutron [D] Positron
What kind of fertilizer is Urea? [A] Sodium fertilizer [B] Phosphatic fertilizer [C] Nitrogenous fertilizer [D] Potassium fertilizer
Which of the following is a physical change? [A] Oxidation [B] Reduction [C] Sublimation [D] Decomposition
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