1. Which of the following statements is not correct statement about the trends when going from left to right across the periods of Periodic Table? (a) The elements become less metallic in nature. (b) The number of…
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Here's What Happening in The
World of Learning
1. Which of the following statements is not correct statement about the trends when going from left to right across the periods of Periodic Table? (a) The elements become less metallic in nature. (b) The number of…
1.Ethane, with the molecular formula C6 has (a) 6 covalent bonds (b) 7 covalent bonds (c) 8 covalent bonds (d) 9 covalent bonds Solution : (b) 7 covalent bonds 2. Butanone is a four carbon compound with the functional…
1. Which of the following pairs will give displacement reactions? (a) NaCl solution and copper metal (b) MgCl2 solution and aluminum (c) FeSO4 solution and silver metal (d) AgNO3 solution and copper Solution : (d) AgNO3 solution and copper 2. Which of…
1. A solution turns red litmus blue, its pH is likely to be(a) 1(b) 4(c) 5(d) 10Solution : (d) 10 2. A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains(a)…
Solutions:-(i) (a) and (b) The above reaction is an example of a (a) combination reaction.(b) double displacement reaction. (c) decomposition reaction. (d) displacement reaction Solution:-(d) The given reaction is an example of a displacement reaction 3. What…