Singling out the recitation of Surat Ad-Duha when losing something comes under the heading of innovations that are invented by one who does not properly appreciate the Messenger of Allah.

If the Imam’s mistakes do not alter the meaning of Al-Fatihah, there is nothing wrong with praying behind him. But if his mistake changes the meaning, then people should not pray behind him if he does not benefit from prompting.

1- It is permissible for the supplicant to ask of his Lord by virtue of the Quran, because that comes under the heading of seeking to draw close to Allah by virtue of one of His attributes. 2- The most correct scholarly view is that it is prohibited to seek to draw close to Allah and ask of Him (Tawassul) by virtue of the Prophet. 3- Seeking to draw close to Allah by virtue of created beings comes under the heading of reprehensible innovation, and is objectionable according to what is commonly known among people and on the basis of the wording itself. 4- Seeking to draw close to Allah by virtue of the trumpet blast, and the progeny of Nuh, and the caliphate of As-Siddiq, and the courage of ‘Ali, and so on – is something that came about as a result of the supplicant’s attempt to be poetic and make things rhyme [in Arabic], without thinking about the meaning.

Fasting in Ramadan and other acts of worship are not valid unless accompanied by the proper intention and it is not prescribed to utter it out loud.

It is not permissible to single out certain verses of the Quran to recite for specific purposes, unless there is specific Shar`i evidence to that effect. Therefore, there is no specific surah to recite when in difficulty.