What are the deeds and acts of worship mentioned in the Quran and the Prophetic Sunnah for which a believer is rewarded twice, as in Allah's saying: "Those will be given their reward twice," or for which there are two portions of Allah's mercy?

Among the deeds for which a Muslim receives two rewards are:

1. Reciting the Quran with difficulty: The reciter who stutters in his recitation receives two rewards.

2. The ruler's diligent effort and his hitting the truth: He receives two rewards, and if he errs, he receives one reward.

3. Charity to relatives: It has two rewards: the reward of kinship and the reward of charity.

4. Whoever frees a female slave, teaches her, and marries her: He receives two rewards.

5. The believer from the People of the Book who believed in his prophet and then believed in Muhammad, peace be upon him: He receives two rewards.

6. The enslaved person who fulfills the rights of his masters and the rights of his Lord: He receives two rewards.

7. The slave who perfects the worship of his Lord and fulfills the right of his master: He receives two rewards.