General Science - Physics MCQs

Q.  What do we call the electrode that can be oxidized or reduced in half reaction?

a. Inert electrode
b. Active electrode
c. Sleeping electrode
d. Passive electrode


ANSWER: See Answer
 
An active electrode is an electrode that can be oxidized or reduced in half reaction.
MCQs:  Which among the following is popularly called Hypo?
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MCQs:  Highest percentage of nitrogen is found in which among the following fertilizers among the given options?
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MCQs:  Which among the following element is an essential constituent of acids?
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MCQs:  Which among the following acids is abundant in Grapes, Bananas and Tamarind?
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MCQs:  The easily noticed smell of the LPG gas is because of which among the following?
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MCQs:  Which among following is also known as white gold?
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MCQs:  Argon is the third most common gas in the Earth’s atmosphere, at 0.93%. This gas is generated due to decay of which among the following isotopes in the Earth’s crust ?
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MCQs:  How can we prepare Hydrogen at our home? 1: Immersing alkali metals in water at room temperature 2: Pouring Sulphuric acid on a copper plate 3: Boiling zinc with caustic soda 4: Passing electric current through rainwater Select the correct option from the codes given below:
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MCQs:  Consider the following matches: 1: Cassiterite – Tin 2: Halite – Sulphur 3: Guano – Phosphate Which of the above is / are correct?
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MCQs:  Which among the following gas usually causes explosions in coal mines?
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MCQs:  After a nuclear disaster, the Strontium-90 becomes an health issue of great concern. What is the major concern about this particular isotope?
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MCQs:  Identify the element with the help of given information: 1: It was the first element to be discovered with a spectroscope 2: It remains liquid at room temperature 3: It reacts violently with water so it is kept under a layer of kerosene or mineral oil 4: It is the softest known metal on earth Select the correct answer from options given below:
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MCQs:  Consider the following differences between metals and non-metals: 1: While the oxides of metals are basic in nature, oxides of non-metals are acidic in nature 2: While most of the metals are solid at room temperature, most of non-metals are gaseous at room temperature Which of the above statements is/are correct?
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MCQs:  Consider the following statements about Zeolites: 1: Zeolites are a large group of natural and synthetic hydrated aluminium silicates 2: Zeolites are mainly found in low-temperature metamorphic rocks Which of the above statements is/are correct?
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MCQs:  Which of the following chemicals is also known as "sweet oil of vitriol"?
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MCQs:  Consider the following statements: 1: Water has high specific heat capacity of than ice 2: Heat capacity of cooking oil is lower than the heat capacity of water Which of the above statements is/are correct?
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MCQs:  Consider the following statements: 1: Addition of salt to pure water increases the boiling point of water and decreases the freezing point of water 2: When methyl alcohol is added to water, boiling point of water decreases Which of the above statements is/are correct?
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MCQs:  Consider the following compounds: 1: Water 2: Carbon dioxide 3: Carbon monoxide Which of the above is/are organic compound/compounds?
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