NCERT- Previous year one mark questions- IV — task. Science CBSE, Class 10.

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Select the correct option for the given question:

Answer variants:

$CaOCl_2$ is highly alkaline whereas

$CaCl_2$ is neutral salt

$5$ has highest and pH

$0$ has lowest concentration of

$H^+$ ions

'p' stands for the German word potenz, meaning power whereas 'H' for hydrogen.

1. How chloride of lime differs from calcium chloride?

2. What is meant by 'p' and 'H' in pH?

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31. NCERT- Previous year one mark questions- IV