Question

8
(1) Combination reaction
(iv) Neutralisation reaction
(b) (i) and (1)
(d) (i) and (iv)
reaction.
(endothermic/exothermic)
reaction is a reaction in which a decomposition reaction takes place in the
2. A
reaction.
(combination/decomposition)
(hydrogen/oxygen)
react with oxygen to form acidic compounds of oxides. (Metals/Non-metals)
5.
Column B
IV. Match the following:
Column A
1. SO, + 2NaOH-Na.SO+ H20
2. Zn + Cuso, ZnSO, + Cu
Electric current
3. 24,0
→ 2H+O
HCI + NaOH-NaCl + H2O
(a) Amphoteric oxide
(b) Neutralisation reaction
(C) Displacement reaction
(d) Acidic oxide
e Decomposition reaction
(1) Displacement reaction
(iii) Redox reaction
(a) (i) and (iv)
(c) (i) and (iii)
II. State if the following statements are True or False. Correct the false statement
1. In a displacement reaction, a more reactive metal gets replaced by a less reactive metal
2. Oxidation is a chemical reaction involving addition of hydrogen to a substance,
4. Amphoteric oxides are the oxides, which show neither basic nor acidic properties.
3. In reactivity series, the metals are arranged in the increasing order of their reactivity
5. A single compound is formed by the combination of two or more reactants.
Ill. Fill in the blanks with the correct words from the brackets.
1. A chemical reaction in which heat is given out is called an
presence of sunlight. (ultraviolet/photochemical)
3. Burning of magnesium wire is example of
4. Oxidising agent is a substance which gives​

Answer 1

Answer:

d combination oxygen non metals