Ping for later. I can think of at least three that even some Cardinals don't know.
I don't care about this. Catholics can make up whatever rules they want for their own church.
2. Fridays Are Still Days Of Penance
I don't believe "penance" is a Scriptural concept since Christ died to set us free from the curse of sin and its punishments. He bore our punishment on the cross and we stand before God clothed in the righteousness of Christ, not our own. We have no righteousness that can satisfy the penalty of sin, which is DEATH.
3. The Bible Is A Catholic Book
The Bible is the Divinely-inspired, God-breathed Holy Scriptures that HE ensured contains all truth necessary for our salvation and the doctrines we must know to live holy and God-honoring lives. The books that were added to the Jewish Old Testament, called Deuterocanonical or Apocryphal, were not considered Divinely inspired, but only "useful" for the church. They contain numerous errors in history, geography and contradict other unanimously agreed as God-breathed Holy Scripture. God would not allow fallible and erroneous books to be held up as binding upon Christians.
4. The Mass Is The Same Sacrifice As Calvary
Catholics can think this if they want, but it doesn't make it true. Christ died "once for all" according to Scripture and his sacrifice is efficacious for all who by faith trust in Him as Savior. There is no need to "make the sacrifice present" for it to be propitiatory for all time. "For by one offering he hath perfected for ever them that are sanctified." (Hebrews 10:14)
5. Annulments Are Not Catholic Divorces
Yet plenty of people are granted them, even those who have been married for decades and have brought children into the world. Again, Catholics can do what they want, but they shouldn't pretend something that is provably false.
6. In Vitro Fertilization Is Morally Unacceptable
Catholics can make whatever rules they want for their members. I personally agree that in vitro is morally wrong because it destroys human life in the pursuit of creating human life. God alone opens and closes the womb so perhaps those who are unable to conceive children of their own are meant to parent children who have lost their natural parents. God provides.
7. There Is No Salvation Outside Of The Catholic Church
There is no salvation outside of faith in Jesus Christ. Once one is "born again" by faith in Christ, they automatically become part of the Body of Christ, the Church of the Living God. The "Catholic Church" used to be known as the "universal", or catholic, church and represents the entire spiritually united called-out assembly of those sanctified by faith in Jesus Christ - the saints.
8. In An Emergency, Anyone Can Baptize
It is only by grace through faith that we are saved. We are baptized in the Holy Spirit when we are born again. The outward act or ordinance of water baptism is a first act of obedience to testify to others of identification with Christ, as followers of him.
9. Hell And Purgatory Still Exist
Purgatory NEVER existed. There is no Scripture reference to it nor doctrinal justification for it. We are washed clean in the blood of Christ and he bore the punishment for all our sins. Because of this, we do not suffer the consequences of our sins after we die. While we are still alive, God disciplines and chastises us as our Heavenly Father who loves his children and desires for us to live blessed and holy lives. Not just to honor him but for our own benefit as well. Sin leads to dishonor and could even include physical death if we resist God's chastisement, but we are not judged according to our iniquities. We do not and cannot pay for our sins because the "wages of sin is death" - spiritual death.
10. Catholics Dont Worship Mary And The Saints
I know you say this, and I accept that it is not "technically" approved, but I don't see how you can blame others for thinking you do by the evidence. Prayers to Mary that extol her God-like attributes, altars and candles set up before her statues and images, songs of praise, dogmas about her sinlessness and bodily assumption to Heaven, names like Co-Redemptress, Co-Mediatrix and source of all grace certainly suggest much more than honor and blessedness. Again, Catholics can do want they want, but to declare that they are THE One, True, and Only Church of Jesus Christ that outside of "her" none can be saved is taking it too far. To create whatever dogmas they desire and then holding ALL Christians to obedience and submission to the "infallible" Pope of Rome under threat of eternal damnation is a deep error that threatens the unity of all of the true children of God.