Chelsea star Hazard, who survived a kick to his knee in the opening minute, forcing him off at half-time, said it was a performance Belgium would have to repeat in Russian Federation if they want to progress.
Egypt have now completed their warm-up schedule and open their World Cup campaign against Uruguay on 15 June.
The prospect of a fully-fit Salah is less of a case fro celebration among Group A opponents Uruguay, Russia and Saudi Arabia.
Ramos also said that Salah had told him he was "okay" in a text exchange shortly after the final, but the Premier League's Golden Boot victor for 2017-18 has denied these claims.
Salah conceded that qualifying for the World Cup for the first time in 28 years is an achievement in itself for Egypt. "I began to think that I would miss the World Cup, it was devastating", he said. "If we want to go far in the World Cup, we'll have to be as solid as we were tonight and keep our energy".
Get the latest World Cup news updates.
"I think we have a great team and a great coach [Hector Cuper], we want to qualify for the next round and do well".
Also playing on Wednesday were Panama, whose preparations ended on a low note as they slumped to a 1-0 defeat by Norway after an early goal by Joshua King.
"Now I'm better", Salah told Marca, "I hope to play the first game against Uruguay". After that the goalkeeper said I dazed him with a clash. "I came off at half-time because I took a knock to my knee, but there's nothing to worry about, it will be better tomorrow", he said.