Which of the following are the forms of calcium carbonate?
1. Marble
2. Chalk
3. Limestone
Select the answer using the code given below:
1, 2 and 3
Marble, chalk, and limestone are all naturally occurring forms of calcium carbonate (CaCO3), differing mainly in their degree of crystallinity, purity, and geological formation process.
Which one of the following is used in soda-acid fire extinguishers?
After a hot sunny day, people sprinkle water on the roof-top because:
Methyl Isocyanate gas, which was involved in the disaster in Bhopal in December 1984, was used in the Union Carbide factory for the production of:
‘German silver’ is used to make decorative articles, coinage metal, ornaments, etc. The name is given because:
A patient's abdomen (alimentary canal) can be examined by X-ray after administering which one of the following metal salts in the patient's meal?
Which one among the following substances is a compound?
Which one of the following statements regarding acids is not correct?
Which among the following methods is used to separate the constituents present in compound?
Which of the following is a greenhouse gas?
I. Methane
II. Nitrous oxide
Which of the following is NOT a Fossil Fuel?
Which one of the following is used in soda-acid fire extinguishers?
The separation of two immiscible liquids can be done based on the difference in their_______.
Orange juice contains ______ acid due to which it tastes sour.