The essence of a right of lien is to _________

A stipulation in a contract of sale of goods whose violation by seller gives a right of rescission to buyer, is called ____________

A contract with the minor, which is beneficial for him, is __________

An agreement made with free consent to which the consideration is lawful but inadequate, is ________.

As a general rule, an agreement made without consideration is __________

A agrees to pay Rs. one lakh to B if he brings on earth a star from sky. This is a contingent contract and __________.

A contract dependent on the happening or non-happening of future uncertain event, is a __________

Sometimes, a party is entitled to claim compensation in proportion to the work done by him. It is possible by a suit for ________

Moral pressure is involved in the case of ___________

Consent is not said to be free when it is caused by ____________