Question

2. When blue litmus paper is added to dilute HCL , the colour of the paper :
নীল লিটমাছৰ কাগজ পণীয়া HCL এচিড়ত যােগ দিলে, লিটমাছ কাগজ
a) turns green (সেউজীয়া হ'ব) (b) remain blue (নীলা থাকিব)।
c) turns red (ৰঙা হ’ব) d) becomes colourless ( বৰণহীন
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Answer 1

Answer:

when when blue Litmus is added into HCL dilute solution it get red coloured.