IQ check point

Showing posts with label CHEMISTRY. Show all posts

Why Oil and Water does not mix together?

Why Oil and Water does not mix together? We have seen many times and even we have tried at our homes that when we put oil in water and stir ...

1. By which process can sea water be purified? A. Evaporation B. Fractional Distillation C. Filtration D. Distillation 2. Which technology ...

1. Which technique is used to separate the substances from a mixture? A. Chromatography B. Racing Forging C. Assembling D. None of the abo...

1. Natural rubber is a ________ which is having high elasticity. A. Substance B. Material C. Elastomer D. Chemical using carbon as main co...

1. Which one is not the form of Biocides? A. Salt B. Iodine C. Sugar D. Bleech 2. How biocides work? A. Control the multiplication of in...

1. Detergent is defined as..... A. A liquid surfactant B. A liquid soluble C. A liquid sovent D. A liquid solution 2. Tell the compositi...

1. In which form the chemical compound RDX is used? A. As an composition B. As an reactor C. As an explosive D. As an nuclear weapon 2. As...

1.What is the boiling point of ethanol? A.100 degree C B.50 degree C C.88 degree C D.78 degree C Ans. D 2.Which of the fol...