Science and Technology Short Notes useful for all Competitive Exams–
1. Nitroglycerine is used as – an explosive
2. Dolomite, Calcite, Gypsum, and Flourspar are the pres of – Calcium
3. RDX is also known as – Cyc1onite (RDX-CH2N.NO3)
4. A geostationary satellite has a period of – 24 hours
5. Food of the developing foetus is supplied by
– Placenta
6. A body falling freely from a