acids bases and salts part 3

Question 1

the solutions which do not change the colour of either red or blue litmus are known as ……………solutions

Answer 1

neutral

Question 2

…………..indicators giving pink colour in case of basic solution

Answer 2

phenolphthalein

Question 3

phenolphthalein ……………… in case of acidic solution

Answer 3

colourless

Question 4

the reaction between an acid and base is ………………

Answer 4

neutralisation

Question 5

………….and………..are produced during neutralisation reaction

Answer 5

salt and water

Question 6

in neutralisation reaction salt and water are produced in this process with the evolution of …………

Answer 6

heat

Question 7

in neutralisation reaction, a new substance is formed. this is called ……………

Answer 7

salt

Question 8

some neutralisation in everyday life are………………………….

Answer 8

indigestion, ant bite, soil treatment and factory wastes

Question 9

the ………may be acidic, basic or neutral

Answer 9

salt

Question 10

neutralisation is ……………change

Answer 10

chemical change

Question 11

the word acid comes from the Latin word …………which means ……….in taste

Answer 11

acere, sour