A timber merchant agreed to supply best teak at a certain agreed price to a builder. Later the merchant supplied timber which was identified as ordinary class of timber and demanded the payment from the builder. Which of the following statements is/are true?

A contracts with B to buy a necklace, believing it is made of pearls whereas in fact it is made of imitation pearls of no value. B knows that A is mistaken and takes no steps to correct the error. Now A wants to cancel the contract on the basis of fraud. Which of the following statement is correct?

A partner may be expelled from the firm on the fulfillment of the condition that the expulsion power is exercised ______________.

The reconstitution of the firm takes place in case of __________

Death of partner has the effect of____________.

A partner can retire on_____________.

The bidder at an auction sale can withdraw his bid __________.

In case of sale on approval, the ownership is transferred to the buyer when he _________.

In case of sale of unascertained goods, the ownership is transferred to the buyer when the goods are _________.

In case of unconditional contract of sale, the property passes to the buyer at the time of making the contract. For this rule to apply, the goods must be ___________.