Collectors are the substances which combine with sulphide ore and make them water repellant. Which of the following substance can act as collector?
Assertion – In froth flotation process sodium ethyl xanthate is used as collector.
Reason: Sulphide ores are water soluble.
Which of the following substance in combination with fog makes smog?
Study the information given below: 1) Some substances are made up of two or more elements combined together chemically. 2) Properties of these substances are different from the elements that make them. 3) This substance cannot be broken down by physical methods. Which of the following substance has the properties listed above?
Which of the following substances are repelled by magnetic field?