Questions

The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.

Name the Russian chemist who stated that the properties of elements are a periodic function of their atomic masses?

Non-metal oxides are usually

Five statements are given below, labelled A, B, C, D and E, among these, four statements are in logical order and form a coherent paragraph/passage. From the given options, choose the option that does not fit into the theme of the passage.

What is the resistance (in Ω) of an electrical component if a current of 0.2 A passes through it on application of 8 V of potential difference across it?

The Typhoon named 'Goni' has recently hit which country?

Which is the largest continent in the world?

_________ is any attribute of the organism (morphological, physiological, behavioural) that enables the organism to survive and reproduce in its habitat.