Home
Class 8
CHEMISTRY
With reference to oxidation & reduction ...

With reference to oxidation & reduction reactions - complete the statement given by filling in the blanks with only the words a. Addition b. Removal
Oxidation is a chemical reaction involving _________ of oxygen to a substance or _________of hydrogen from a substance. Reduction on the other hand involves __________ of hydrogen to a substnace or _________of oxygen from a substance.

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

Complete the statements by filling the blanks with the correct word from the bracket. The ratio of hydrogen & oxygen in water is……….[2:1/1:2]

Assertion : Conversion of potassium ferrocyanide to potassium ferricyanide is an oxidation process. Reason : Oxidation is the addition of oxygen/electronegative element to a substance or removal of hydrogen/electropositive element from a substance.

Complete the statements by filling the blanks with the correct word from the bracket. …………… (organic/inorganic Chemistry is the Chemistry of carbon compounds mainly of 'Carbon', 'Hydrogen' & 'Oxygen'.

Select the correct word from the words in bracket to complete the sentence: Electrolysis is a/an _______[oxidation / reduction /redox] reaction in which reduction reaction takes place at the ________[cathode/anode]

Complete the statements by filling the blanks with the correct word from the bracket. Hygroscopic substance absorb moisture from the atmosphere & …………..(do not change/change) their original state.

Complete the following by filling in the blanks numbered 1 to 10 with the appropriate word/ term: Photosynthesis involves a light reaction and a dark reaction. During the light reaction, the chlorophyll present in the _______ The ADP is converted at the end of the light reaction reacts with carbon dioxide to from

Select the correct answer from A,B,C,D and E for each statement given below: A. Iron B. Carbonic acid C. Hydrogen D. Oxygen E. Carbon monoxide The catalyst used in the catalytic reaction involving the reactants nitrogen & hydrogen.

Fill in the blanks with the correct word from the brackets: In the reaction of Cl_(2)+2KIrarr 2KCl+I_(2) the conversion of 2I to I_(2) is deemed as _______ [ oxidation / reduction]

When hydrogen gas is passed over heated copper (II) oxide, copper and steam are formed. Write the balanced chemical equation for this reaction and state (i) the substance oxidized and (ii) the substance reduced in the reaction.

Choose the correct word or letter from the brackets to complete the sentences. Copper oxide reacts with hydrogen to produce copper and water. Copper oxide is ________ (reduced/oxidised) in this reaction.