RAILWAY GROUP D ASKED QUESTION

ЁЯФеЁЯФеRAILWAY GROUP -D ASKED QUESTIONЁЯФеЁЯФе

ЁЯФ░SCIENCE


✅️Valency of Halogen Group? – 1

✅️Which is the inert gas in the fourth period?Kr

✅️Largest joint of body= Knee

✅️Valency of nitrogen ? – 3

✅️Scientific name of Apple? – Malus

✅️Scientific name of Elephant? – Loxodonta


✅️What will be the electro-negativity on moving left to right in the Periodic table? Increase

✅️King of Acid – H2SO4

✅️What is the chemical name of CaO? – Calcium oxide

✅️What is the chemical name of H2SO4? – Sulfuric acid

✅️Male Chromosomes are represented by? – 44+XY / 22+XY

✅️Period that does not Contain any Metalloids? – 1st Period and 7th Period

✅️Which acid is present in Lemon? – Citric Acid

✅️4th Period has how many elements? – 18 elements

✅️Ethanoic acid has which group? -COOH

Comments

Popular From Month

Important Formulas

some religioustic place

list of pm with time period

FIRST IN INDIA

IPL RECORDS Most Fours

Govt Jobs 2018 in India Updated on 31.03.2018

Important Rivers Of India Part -1

books written by president and prime ministers

List of IPL Winners | RRB NTPC