Question Detail

Who is regarded as father of modern chemistry ?

Ruterford
Einstein
Lavoisier
C.V. Raman

Answer: Option C

Similar Questions :

1. Homo nuclear molecules contain ?

polar bond
covalent bond
ionic bond
coordinate bond

Answer: Option B

2. The nuclear particles which are assumed to hold the nucleons together are ?

positrons
neutrons
electrons
mesons

Answer: Option D

3. Permanent hardness of water is due to the presence of ?

Magnesium bicarbonate
Calcium bicarbonate
Sodium bicarbonate
Calcium sulphate

Answer: Option D

4. Chemical used in photography is

sodium sulphate
sodium sulphite
sodium thiosulphate
sodium oxalate

Answer: Option C

5. The most electronegative element among the following is

sodium
bromine
fluorine
oxygen

Answer: Option C

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Dorjey 8 years ago

how it ispossible that group 2 element can form two covalent bonds when their electron are paired up???

pardeep 8 years ago replied

It contain empty p orbital due to that s orbital e unpaired and for covalent bond

pardeep 8 years ago replied

Due to presence vacant p orbital s orbital electrons unpaired and form covalent bond

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