Which of the following can be attracted toward magnets?

_____________ type of material can be separated by using threshing method.

Mixture is _________________.

___________________ of the following is pure substance.

Magnetic separation method can be used to separate _____________________________.

Combine harvesters are used in ____________________

Why there is need to separate mixtures :

(a) To remove harmful substances

(b) To obtain useful constituents

(c) To remove undesirable substances

Ruchi wants to make halwa for her mother. But the semolina (suji) got mixed with rice. Some all pins also fell into the mixture. Which of the following combination of methods will help Ruchi to separate each component of the mixture ?

Find the incorrect match.

'X' is a separation technique based on the difference in weights of the solids in a solid-solid mixture. What is 'X' ?