Ruby and sapphire are oxides of -

Related MCQs

• Ruby and sapphire are oxides of –
• Non-metallic oxides are               in nature.
•                is the process in which acids and bases react to form salts and water.
• The reaction between an acid and a base to give a salt and water is known as a -
• This substance is sweet-smelling and is used in making perfumes and flavouring agents. It is called-
• This substance is commonly known as alcohol and is also used in medicines such as tincture iodine, cough syrups, and many tonics. This is -
• Vinegar is used as a condiment, and in the pickling of vegetables and other foods. What is the constituent of vinegar?
• Which of the following gases makes bread or cake rise making them soft and spongy?
• Oxygen which is vital for life is a product of photosynthesis and comes from –
• is a multibranched polysaccharide of glucose that serves as a form of energy storage in animals and fungi.