It also has a diamond cubic structure, identical to that of crystalline silicon. The identity in crystal structure between diamond and crystalline silicon means they are isomorphous.
Which one of the following statements about the cleansing action of soap is not true?
Which one among the following chemicals is used as washing soda?
Which of the following compounds undergoes/undergo thermal decomposition?
Liquid vegetable oils are converted to solid margarine by the use of
Which one of the following elements is needed in the human body to transfer electrical signals by nerve cells?
Why is potassium permanganate used for purifying drinking water?
Which one of the following compounds is used in ‘black and white’ photography ?
What is the number of water molecules present in a Ferrous Sulphate crystal ?
Which one of the following is a tribasic acid?
The setting time of cement is lowered by adding
The II group elements in the periodic table is known as
The correct order of decreasing electron gain enthalpy with negative sign for chalcogens is - Identify
Modern periodic table has:
‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?