Answer / guest

(2) Acetic acid

Of the following metals which, one pollutes the air of a big city? 1 Copper 2 Chromium 3 Lead 4 Cadmium

3 Answers   HCL, High Court, SSC,

---

Reaction of alcohol, with a carboxylic acid is known as 1 Substitution Reaction 2 Addition reaction 3 Esterification 4 Hydrogenation

1 Answers  

---

Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

---

Rubber is coagulated from latex by adding 1 Hydrochloric acid 2 Acetic acid 3 Sulphuric acid 4 Carbonic acid

1 Answers  

---

Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose

1 Answers  

---

The group of metals Fe, Co, Ni may be best called as 1 Alkali metals 2 Rare metals 3 Main group metals 4 Transition metals

2 Answers  

---

Give two National aims of science education

0 Answers   Mahatma Gandhi University,

---

What is the Taxonomy ?

2 Answers  

---

why ammonia cylinder getting icing outside of cylinder when it approx half or less than it...??

0 Answers  

---

What are quasars?

0 Answers  

---

A substance which changes readily into vapor without heating is called 1 Efflorescent 2 Synthetic 3 Volatile 4 Effervescent

1 Answers   HLL,

---

what would be the fate of life on earth 10 yrs down the lane.

0 Answers  

---