Hard water and soft water can be distinguished by using –

Related MCQs

• The process of removing calcium and magnesium from hard water is known as –
• The metallic Constituents of hard water are –
• The metallic constituents of hard water are -
• Which of the following gases makes bread or cake rise making them soft and spongy?
• The soft silvery metalic element which ionizes easily when heated or exposed to light and is present in atomic clocks is –
• Which of the following gases is present under pressure in soft drinks?
• Which one of the following is used as a sowing agent in the preparation of soft drinks?
• Cement is made hard with –
• Hard steel contains –
• Which is the highest quality of hard coal?